Top 10 50kg Plastic Bag Manufacturers for Heavy-Duty Packaging, Bulk Orders & Custom Printing

The market for 50kg plastic bags serves industries that need reliable, high-capacity packaging for agricultural commodities, animal feed, rice, flour, fertilizers, cement, chemicals, and other bulk materials. Choosing the right manufacturer requires more than comparing unit prices. Buyers should evaluate tensile strength, polypropylene (PP) quality, seam durability, moisture resistance, printing capabilities, customization options, production capacity, and international shipping arrangements.

For most 50kg applications, polypropylene woven bags (PP woven sacks) are a practical starting point because their woven structure provides strength and relatively low weight. Laminated PP bags offer additional protection and improved printing, while polyethylene liners can help protect moisture-sensitive contents. The best choice depends on the material being packed, storage conditions, filling equipment, and transportation requirements.

This guide compares ten sourcing options, prioritizing specialized packaging manufacturers and including Phodor as a sourcing partner for buyers who need help finding suitable Chinese suppliers, arranging quality inspections, and delivering products to their door. Manufacturer capabilities and delivery estimates should be confirmed against current quotations, samples, certifications, and destination requirements.

1. Phodor — China Sourcing and Quality Inspection Partner

Phodor is best considered a sourcing partner rather than a direct plastic bag manufacturer. Its service model is relevant to international buyers who know what kind of packaging they need but do not yet have a reliable factory relationship in China. Buyers can submit a product link, photograph, screenshot, or written description and request sourcing assistance for suitable products from online and offline Chinese suppliers. For 50kg plastic bags, this approach can help importers compare factories, identify packaging specifications, coordinate quality checks, and arrange delivery to their doorstep.

Pros

Phodor’s main advantage is sourcing flexibility. Instead of restricting customers to one manufacturer’s catalogue, it can help investigate alternative suppliers according to bag dimensions, material, load capacity, printing requirements, order volume, and target price. This can be particularly useful for businesses testing a new agricultural product, sourcing branded fertilizer packaging, or comparing woven sacks for industrial use. Its quality inspection and shipping coordination services can also help overseas buyers who lack a local procurement team in China.

Cons

Phodor is not itself the factory producing the bags, so its performance depends on the selected manufacturer’s actual capabilities. Buyers should request the identity of the production factory, material specifications, samples, inspection scope, and written delivery terms before committing to a bulk order. Inspection arrangements should be clearly defined rather than assuming every order includes every possible laboratory test.

Popular Products

Relevant sourcing targets include 50kg PP woven sacks for rice, grain, animal feed, fertilizer, cement, and other dry goods. Laminated bags, custom-printed packaging, and bags with PE liners may also be investigated according to the intended application.

Scale

Phodor’s role is supplier discovery, purchasing coordination, and logistics rather than operating a dedicated woven-bag production facility. Its suitability therefore depends on the size and complexity of the sourcing project and the factories available for that specification.

Process Level

The key value lies in comparing suppliers, communicating technical requirements, coordinating inspection, and organizing delivery. Buyers should establish measurable acceptance criteria, including bag weight, dimensions, seam strength, and printing accuracy.

Customization Level

Potentially flexible through factory selection, subject to the chosen manufacturer’s capabilities and minimum order quantity. Custom artwork, dimensions, fabric weight, and liners must be confirmed with the actual producer.

Shipping Speed

Shipping time depends on the selected factory, production schedule, shipping method, and destination. Phodor can assist with logistics coordination, but a specific delivery date should be confirmed in writing.

Best for: Overseas buyers seeking a guided China-sourcing process instead of independently negotiating with multiple factories.

2. Hongtai Plastic — High-Volume PP Woven Sack Manufacturing

Jining Yanzhou Hongtai Plastic Products Co., Ltd. is a specialized manufacturer of polypropylene woven packaging based in Shandong, China. The company reports that it has manufactured woven bags since 1993 and operates five tape-extrusion lines and more than 200 circular looms, with reported daily output exceeding 300,000 bags. Its production base covers approximately 35,000 square metres. These published capabilities make it worth evaluating for distributors and industrial buyers that require consistent bulk supplies rather than occasional small orders.

Pros

Hongtai’s dedicated production equipment and long operating history are relevant advantages for repeat orders. Its product range includes transparent, printed, and perforated PP woven bags, allowing buyers to investigate several constructions through one supplier. The company also describes ISO 9001-based quality controls and in-house testing. These capabilities may be useful for agricultural packers and wholesalers that need repeatable bag dimensions and production schedules.

Cons

Its high-volume production profile may not be ideal for every small buyer, particularly when a project requires complex graphics or a very small initial quantity. The published daily output is a factory-wide figure, not a guarantee that a particular custom order will be completed immediately. Buyers should confirm minimum order quantities, printing setup costs, and the availability of the exact 50kg specification.

Popular Products

The range includes transparent woven sacks, custom-printed packaging, perforated produce bags, and woven bags for agricultural and industrial applications. Buyers should request confirmation of the available laminated structures and liner options for their specific product.

Scale

Hongtai has five tape-extrusion lines and more than 200 circular looms, indicating substantial dedicated woven-bag manufacturing resources.

Process Level

Its extrusion, weaving, printing, cutting, and bag-conversion capabilities make it suitable for evaluating conventional PP woven packaging. Sample testing remains necessary to establish the required tensile strength and seam performance.

Customization Level

Buyers can discuss dimensions, thickness, colours, printing, and bag construction. The feasibility of each option depends on the production specification and order quantity.

Shipping Speed

Its export operation serves overseas markets, but delivery depends on the order queue and destination. Obtain a confirmed production lead time and freight quotation before ordering.

Best for: Importers seeking a dedicated, established PP woven bag factory with substantial production capacity.

3. XIFA Group — Customized Fertilizer and Industrial Packaging

XIFA Group is a Chinese packaging manufacturer with a particular fit for customized woven bags used in fertilizer, chemicals, agricultural products, and other bulk applications. Its published product catalogue includes a 50kg NPK fertilizer bag made from 65gsm white PP fabric, measuring 60 × 97cm, with offset printing and a stitched bottom. This specific example makes XIFA especially relevant to buyers who need to compare real product configurations rather than simply request a generic 50kg sack.

Pros

XIFA offers a broad manufacturing setup that includes weaving, printing, lamination, cutting, and sewing equipment. Its website describes an extensive production facility and a product range covering custom-printed woven bags and other packaging formats. For buyers with established branding requirements, integrated production can simplify coordination between fabric specifications, printed artwork, and finished-bag construction. The documented fertilizer bag also provides a useful starting point for discussing material weight and dimensions.

Cons

Buyers should not assume that one bag’s specifications automatically apply to other 50kg products. A bag designed for fertilizer may not be suitable for food-contact applications or fine powders without additional material and barrier requirements. Current certification scope, minimum order quantity, and production lead times must be confirmed directly.

Popular Products

XIFA’s range includes 50kg fertilizer sacks, woven bags for industrial powders, laminated packaging, and custom-printed PP bags. Its published catalogue illustrates different materials and printing configurations across applications.

Scale

The company reports a large production operation in Cangnan, Wenzhou, with extensive workshop space and multiple printing and conversion lines.

Process Level

Its equipment supports several stages of woven packaging manufacture. Buyers should evaluate the finished product’s actual fabric weight, seam strength, and print durability rather than relying on equipment descriptions alone.

Customization Level

Custom dimensions, artwork, colours, and bag structures can be discussed. Confirm whether liners, coatings, and closure configurations are available for the particular product.

Shipping Speed

Export delivery depends on production scheduling, order volume, and destination. Request a sample approval schedule and a written shipment date.

Best for: Fertilizer manufacturers and industrial buyers seeking tailored woven packaging with documented 50kg product examples.

4. Shijiazhuang Boda Plastic Chemical — Large-Scale Industrial Bag Production

Shijiazhuang Boda Plastic Chemical Co., Ltd. is an established Chinese manufacturer of PP woven bags, laminated packaging, valve bags, and jumbo bags. The company reports operating in the industry since the 1980s, with a factory area exceeding 160,000 square metres, approximately 500 employees, and annual output above 500 million bags. Its broad product portfolio makes it a strong candidate for importers requiring high volumes and several types of industrial packaging from one supplier.

Pros

Boda’s scale is an advantage for established businesses that need regular replenishment and standardized packaging. Its manufacturing range includes flexographic and offset-printed PP woven bags, BOPP-laminated bags, coated bags, valve bags, and larger bulk containers. The company also reports ISO 9001 and BRC food-grade certifications, alongside qualifications for producing UN bags. Buyers handling food, chemicals, or regulated products should verify the specific certificate and product scope applicable to their order.

Cons

A very broad product portfolio does not automatically mean that every production line is optimized for a particular bag design. Buyers with specialist requirements should verify whether the factory has experience with the precise contents, filling method, and transport conditions. The size of the organization may also mean that order allocation and technical approval require careful coordination.

Popular Products

Boda’s principal product categories include 25kg and 50kg PP woven sacks, BOPP-laminated bags, valve bags, paper-composite packaging, jumbo bags, and PP woven fabric.

Scale

Its published factory area, workforce, and annual production figures indicate a large-scale manufacturer suited to substantial procurement programmes.

Process Level

The company’s range covers several printing and bag-conversion methods. Buyers should test fabric strength, bottom stitching, print adhesion, and bag performance under the actual filling and stacking conditions.

Customization Level

Options include printing, lamination, coatings, and different bag formats. Exact dimensions, GSM, liner construction, and artwork should be agreed before production.

Shipping Speed

Large-scale production may support planned recurring orders, but actual lead times depend on production bookings and order complexity. International freight must be quoted separately.

Best for: Large distributors and industrial buyers requiring multiple woven-bag formats and high annual volumes.

5. Sitong Packaging Group — Versatile Bulk Packaging Solutions

Sitong Packaging Group is a Chinese manufacturer specializing in PP woven bags and flexible intermediate bulk containers (FIBCs). Its published product range covers woven bags with load capacities from 5kg to 200kg and jumbo bags from 500kg to 3,000kg. This makes it relevant to companies that need 50kg sacks alongside larger industrial packaging for bulk transportation. The company states that it was established in 1998 and reports annual production of 30,000 tonnes across three factories.

Pros

The main advantage is the breadth of its bulk-packaging range. A buyer sourcing 50kg fertilizer bags, for example, may also need larger bags for raw materials or intermediate storage. Sitong’s product portfolio provides an opportunity to consolidate these requirements with one manufacturer. The company also lists food-grade production, custom printing, OEM/ODM services, and optional liners and coatings. These features are worth investigating for buyers whose packaging needs extend beyond plain sacks.

Cons

The range of products does not eliminate the need to validate each specification individually. Food-grade claims, safety factors, and load ratings should be checked against the specific bag design and intended use. Buyers purchasing both 50kg sacks and FIBCs should also confirm whether the same commercial terms and production schedules apply to both product groups.

Popular Products

The product range includes open-mouth PP woven sacks, valve bags, laminated bags, woven fabric, webbing, PP thread, and FIBCs.

Scale

Sitong reports three factories and annual production capacity of 30,000 tonnes. It also states that its products are shipped to more than 70 countries.

Process Level

Its integrated woven-packaging offering includes different bag constructions, liners, coatings, and closure systems. Request technical drawings and performance data for the chosen application.

Customization Level

Options include bag size, GSM, printing, lamination, liner configuration, and FIBC design, subject to product-specific requirements.

Shipping Speed

The company publishes a typical production lead time of 20–40 days after confirmation. This should be reconfirmed for the actual order and does not necessarily include international transit.

Best for: Businesses that source 50kg sacks and larger bulk bags through a common packaging supplier.

6. Shengshi Jintang Packaging — Integrated Manufacturing and Repeat Orders

Shengshi Jintang Packaging is a Chinese producer of PP woven bags and related industrial packaging. Its website describes an integrated production model in which raw-material extrusion, printing, lamination, and bag conversion are performed in-house. The company reports annual production capacity of approximately 30,000 metric tonnes across three factories and delivery of more than 300 million bags each year to customers in around 30 countries. These capabilities make it worth considering for buyers who prioritize supply continuity and control over multiple production stages.

Pros

An integrated production process can make it easier to coordinate fabric specifications, printing, lamination, and final bag conversion. It may also reduce the communication problems that arise when several subcontractors handle a single order. Shengshi Jintang’s product range includes conventional woven sacks and specialized valve-bag formats, which can be useful for manufacturers operating automated filling lines.

Cons

Integrated manufacturing and high annual capacity do not guarantee the lowest price for every order. A buyer should compare the total landed cost, including printing plates, packaging, freight, inspection, and any import charges. Specialized valve or block-bottom bags may also require different filling equipment from ordinary open-mouth sacks, so compatibility must be checked before purchase.

Popular Products

Its product categories include PP woven sacks, BOPP-laminated bags, AdStar-style valve bags, jumbo bags, and PP woven fabric.

Scale

The company reports three factories and a combined annual capacity of 30,000 metric tonnes, with a substantial international customer base.

Process Level

Its reported in-house extrusion, printing, lamination, and conversion capabilities support integrated manufacturing. Buyers should request process-specific quality records for the intended packaging.

Customization Level

The product range suggests flexibility across printed bags, laminated constructions, and valve formats. Final options depend on design complexity and order volume.

Shipping Speed

Integrated production can simplify scheduling, but it does not establish a guaranteed lead time. Ask for a production plan, packing details, and shipping terms before approval.

Best for: Buyers seeking integrated manufacturing and a long-term supplier for recurring packaging orders.

7. Zibo Yundu Plastic Products — Heavy-Duty Sacks and Export Supply

Zibo Yundu Plastic Products Co., Ltd. is a Chinese packaging manufacturer offering polypropylene woven sacks and FIBCs. Its published company profile describes approximately 18 years of experience, a 15,680-square-metre facility, 96 employees, 84 circular looms, and 31 bag-making machines. The company also reports monthly production capacity of 640 tonnes and sales to 116 countries and regions. These figures provide a useful basis for evaluating its ability to serve overseas buyers requiring recurring orders of heavy-duty bags.

Pros

Yundu’s product range spans conventional woven sacks and larger flexible bulk containers. This is useful for buyers who may eventually need to expand from 50kg bags into larger-capacity packaging. The company also describes a production-progress reporting process, including weekly updates after the initial sample is confirmed. Regular progress communication can be valuable for importers managing inventory against a fixed sales schedule.

Cons

Published capacity figures should be treated as supplier-reported information until independently verified. Buyers should establish whether the requested 50kg bag is produced on the same equipment and to the same quality requirements as the manufacturer’s standard products. For sensitive contents, liner compatibility and moisture protection require particular attention.

Popular Products

Its range includes 50kg PP woven sacks, polypropylene packaging, and FIBCs for industrial and agricultural uses.

Scale

The published facility, loom count, workforce, and monthly production capacity suggest a mid-sized dedicated packaging operation.

Process Level

The company’s weaving and bag-making equipment supports conventional woven packaging. Samples should be evaluated for fabric consistency, bottom-seam integrity, and load-bearing performance.

Customization Level

Buyers can enquire about dimensions, fabric weight, printing, and bag construction. Availability and minimum quantities should be confirmed in a formal quotation.

Shipping Speed

Yundu describes an established export network, but actual delivery depends on the order specification, available production capacity, and destination. Request a dated production schedule.

Best for: Importers looking for a dedicated Chinese producer of woven sacks with reported international export experience.

8. Qingdao SG Global Packaging — Printed and Laminated 50kg Bags

Qingdao SG Global Packaging Co., Ltd. offers PP woven sacks for agricultural, food, feed, and industrial applications. Its published product specifications include 5kg, 10kg, 20kg, 25kg, and 50kg bags, with options for custom dimensions, colours, UV treatment, and printing. The company lists production capacity of 200 tonnes per month, making it a relevant candidate for buyers looking for a manufacturer that can adapt bag appearance and construction to a defined packaging brief.

Pros

SG Global’s stated options cover several practical variables: fabric density, dimensions, printing, UV protection, and bottom stitching. Its BOPP-laminated products are worth considering when packaging needs stronger visual branding than a basic woven sack can provide. Buyers can compare plain and printed constructions to balance price, appearance, and functional performance.

Cons

Custom printing and lamination may increase unit costs and extend the approval process. Published production capacity should not be interpreted as available capacity for a specific delivery window. Buyers should also verify the actual test evidence behind any food-contact or certification claims relevant to their market.

Popular Products

The range includes 50kg PP woven bags, BOPP-laminated sacks, printed agricultural packaging, and bags for rice, flour, feed, fertilizer, and other goods.

Scale

The company reports monthly production capacity of approximately 200 tonnes. This provides a useful reference point when assessing whether its operations can accommodate the required volume.

Process Level

The listed options indicate experience with woven construction, lamination, printing, and sewn-bottom finishing. Confirm the precise process and acceptance criteria for each design.

Customization Level

Customization includes dimensions, colours, printing, UV treatment, and stitching configurations, subject to confirmation.

Shipping Speed

Production time depends on artwork approval, material availability, and order volume. Buyers should request a lead time that includes sample approval and packing.

Best for: Businesses that want branded 50kg sacks with flexible printing and material specifications.

9. Weifang Dafeng Packaging — Flexible Specifications for Bulk Orders

Weifang Dafeng Packaging Co., Ltd. is a Chinese supplier of PP woven packaging bags. Its published product information describes bags with capacities ranging from 15kg to 100kg, customizable dimensions, multiple colour-printing options, and fabric specifications ranging from 45gsm to 230gsm. This range is relevant to buyers comparing 50kg bags for different loads and handling environments, particularly where the packaging must balance durability, weight, and price.

Pros

The stated range of fabric weights provides room to compare lightweight and heavier-duty constructions. Buyers can also enquire about virgin PP material, customized printing, and different top and bottom finishes. For agricultural and industrial applications, this flexibility can help match the packaging design to the product’s density, filling process, stacking requirements, and expected handling.

Cons

A broad specification range can make supplier comparisons misleading unless buyers request equivalent samples. A 50kg bag made with a light fabric should not automatically be compared with a reinforced design intended for rough handling. The buyer should also verify whether a quoted price includes printing, lamination, liners, and any required quality inspection.

Popular Products

The published range includes 50kg woven sacks, printed PP bags, and packaging for agricultural products, feed, chemicals, and other dry goods.

Scale

Dafeng’s product information emphasizes high-volume packing and transport, but buyers should obtain current factory capacity and production scheduling details directly.

Process Level

The supplier lists customized fabric specifications and printing options. Evaluation should focus on fabric weight, tensile performance, seam strength, and consistency between samples and production batches.

Customization Level

Options include dimensions, colour printing, top and bottom construction, mesh, and material treatment. Confirm availability for the exact 50kg application.

Shipping Speed

The manufacturer publishes container-loading guidance, but that does not establish a universal delivery time. Production lead time, loading date, and international transit should be quoted separately.

Best for: Buyers seeking specification flexibility and custom-printed bags for different bulk materials.

10. Changzhou Suyun Packaging Material — Agricultural and Grain Packaging

Changzhou Suyun Packaging Material Co., Ltd. is a Chinese supplier of PP woven bags designed for rice, grain, cereal, maize, and other agricultural commodities. Its published 50kg bag specifications include polypropylene material, customized logos, moisture-resistant features, and a woven construction. The supplier also lists virgin PP as a raw-material option and a minimum order quantity of 20,000 pieces for a listed product. This makes Suyun a potential fit for agricultural wholesalers and packaging distributors with substantial and predictable demand.

Pros

Suyun’s product focus is relevant to buyers who need standard woven sacks for grain and agricultural distribution. Custom logos and printing can help distinguish brands, while a defined order quantity makes it easier to assess whether the supplier suits a commercial procurement programme. For repeat orders, a consistent specification can simplify quality control and inventory planning.

Cons

A minimum order of 20,000 pieces for the cited product may be excessive for smaller businesses or first-time importers. Buyers should confirm whether the same MOQ applies to different sizes and printing options. Moisture resistance should also be distinguished from full waterproofing: woven sacks alone may not adequately protect moisture-sensitive products during prolonged exposure or poor storage.

Popular Products

Its listed products include 50kg PP woven sacks for grain, rice, cereal, and agricultural applications, with custom printing and different packing arrangements.

Scale

The published MOQ indicates a bulk-oriented supply model, although the factory’s current total capacity should be confirmed directly.

Process Level

The listed woven construction and material options support standard agricultural packaging. Buyers should assess seam quality, fabric weight, dimensions, and handling durability.

Customization Level

Custom logos and selected material and construction options are available for discussion. Confirm artwork, dimensions, printing colours, and any liner requirements before production.

Shipping Speed

Delivery depends on production availability, order size, and destination. Obtain a formal production schedule and shipping quotation, including packaging and freight arrangements.

Best for: Agricultural distributors and grain businesses ordering standard 50kg woven sacks in bulk.

Comparison Table: Top 10 50kg Plastic Bag Manufacturers and Sourcing Options

The following ratings are editorial assessments for initial supplier screening, not independently verified customer-review scores. They reflect the apparent fit for 50kg packaging, published capabilities, customization potential, and suitability for international procurement. Phodor is assessed as a sourcing partner rather than a direct manufacturer.

Note: The star ratings are comparative editorial judgments based on the publicly described capabilities reviewed for this article. They are not audited performance scores, verified shipping-speed rankings, or guarantees of product quality.

How to Choose the Right 50kg Plastic Bag Manufacturer

Before selecting a supplier, define the bag’s application and required performance. A sack for rice may prioritize cleanliness and moisture protection, while a bag for fertilizer or mineral products may need greater abrasion resistance, stronger seams, or a specialized liner.

The most important specifications to request are:

• Material: PP woven fabric, PE film, BOPP-laminated PP, or a suitable composite.

• Fabric weight and strength: GSM, yarn specifications, tensile performance, and seam strength.

• Dimensions and capacity: Confirm that the bag accommodates the actual product volume at a 50kg fill weight.

• Printing and branding: Artwork, colour accuracy, print durability, and any lamination requirements.

• Quality assurance: Pre-production samples, agreed inspection criteria, batch consistency, and relevant certifications.

• Commercial terms: Minimum order quantity, unit price, tooling charges, production lead time, shipping method, and destination-specific import requirements.

For food-contact applications, verify that the material and production process meet the relevant requirements in the destination market. For fertilizer and chemical packaging, check product compatibility and whether a liner or other barrier is necessary.

The best choice among 50kg plastic bag manufacturers depends on the buyer’s order volume, product requirements, budget, and need for customization. Hongtai is worth evaluating for high-volume woven sacks, XIFA for customized fertilizer packaging, and Boda for large-scale industrial procurement. Sitong and Shengshi Jintang are also worth considering for buyers with broader packaging requirements.

Phodor offers a different approach. Rather than manufacturing bags directly, it helps overseas buyers source products from China based on links, images, or descriptions, coordinate quality inspections, and arrange delivery to their door. For buyers who need help comparing factories and managing the procurement process, this can be a practical alternative to contacting manufacturers individually.

Shortlist two or three suppliers, request comparable quotations and physical samples, and agree on measurable quality standards before placing a large order. A slightly higher unit price may be worthwhile if the bag delivers more consistent strength, fewer damaged shipments, and better long-term supply reliability.