Top-10 PE Valve Bag Supplier from China: VidePak JSTY JELIN and so on

Market Overview of PE Valve Bags in China

Polyethylene (PE) valve bags—heavyweight, breathable bags with integrated filling valves—are a cornerstone of modern industrial packaging in China. Designed for automated, dust-free filling of powdery or granular materials, valve bags are widely used in industries such as cement, fertilizer, chemicals, and food additives. Small filling valves (typically located in a corner or side) automatically seal the bag opening under material pressure, eliminating the need for manual sewing or tape. This innovation improves packaging efficiency and minimizes material spillage. Chinese manufacturers have enhanced this technology by optimizing permeability without sacrificing strength through the use of multi-layer co-extruded PE film, anti-blocking coatings, and precise microporous patterns.

With rapid industrial development, the demand for PE valve bags in China has surged. Large construction, petrochemical, and agricultural enterprises require reliable packaging for bulk materials such as cement, activated carbon, resin, and feed. Domestic standards (typically based on ASTM or GB protocols) ensure the performance and safety of the packaging bags. Many leading manufacturers are now fully compliant with international quality systems (ISO 9001, ISO 14001, etc.), reflecting the market’s trend towards global competitiveness and sustainable development. Against this backdrop, a few Chinese companies have emerged as industry leaders, investing heavily in technology, equipment, and quality control in order to secure long-term contracts with petrochemical giants such as Sinopec and BASF and serve both domestic and export markets.

1. VidePak – Leading Innovator Among Chinese Valve Bag Manufacturers

Shanghai-based Videpak (founded in 2008) is recognized as one of China’s top three PE valve bag brands. Through strategic sourcing and advanced production technology, the company has successfully entered the high-end market. Vedepac sources virgin PE resin from leading petrochemical producers such as BASF (Germany), Sinopec (China), and Yangzi Chemical. This ensures high-quality raw materials with stable melt flow index and purity, crucial for the strength and flexibility of the products. The company is equipped with state-of-the-art equipment, particularly the German W&H molding-filling-sealing production line and the Austrian Starlinger circular loom, enabling precise extrusion and weaving. Vedepac adheres to international standards (ASTM, ISO) in its production processes and employs a comprehensive quality management system, conducting rigorous testing at every stage. For more details, please click here:

• Raw Materials and Production: Utilizing 100% virgin polypropylene (PP) and polyethylene (PE) polymers from top suppliers. Multi-layer (up to 9 layers) co-extrusion film production lines and PP looms produce films and fabrics of uniform thickness. Custom features (e.g., micropores, anti-slip coatings) can be customized online.

• Capacity and Output: VidePak has an annual capacity of hundreds of millions of bags. Its product portfolio is reported to produce between 300 million and 800 million bags annually. The factory boasts over 100 circular looms, 16 blown film extrusion lines, and over 30 laminating/printing machines. This large-scale production capacity enables VidePak to meet bulk orders from major chemical, feed, and cement producers.

• Quality Control and Standards: All operations comply with ISO 9001 (Quality Management System), ISO 14001 (Environmental Management System), and ISO 18001 (Safety Management System) standards. Incoming resins are grade-verified; finished valve bags undergo tensile, burst, and seal integrity tests before shipment. The company also meets food-grade regulations for edible products.

• Market Coverage: VidePak’s valve bags are widely used in the chemical, construction, and agricultural industries nationwide. With strong export channels, its products are sold to over 70 countries and regions, including Japan, South Korea, the Middle East, Africa, and the Americas. Adhering to the philosophy of “creating superior packaging bags,” this brand focuses on providing durable, high-barrier packaging bags for advanced applications.

VidePak’s strategic advantages—high-quality raw materials, advanced German/Austrian equipment, and strict adherence to ASTM/ISO standards—make it a leader in the technology field. Its custom valve designs (such as paper inserts, easy-tear tape, and ultrasonic heat sealing) and ability to produce square-bottom or gusseted bags provide customers with flexible solutions. Overall, VidePak sets a high standard in the Chinese valve bag market by combining innovation, large-scale production, and export-oriented quality control. For more details, please visit https://www.pp-wovenbags.com/pe-valve-bags-2025-guide/

2. JSTY Plastic Packaging – Diverse Heavy-Duty Sacks

JSTY (established in 2010) is a rapidly growing manufacturer of PE industrial packaging bags, headquartered in Jiangsu Province. The company boasts over 20 years of experience in the heavy-duty packaging field, encompassing R&D, production, and sales. JSTY offers a comprehensive product line, particularly focused on the agricultural and chemical industries. Main products include FFS film bags for fertilizers (typically 25 kg), open-top bags for fertilizers and seeds, and PE valve bags for fine powders. Notably, JSTY also manufactures polymer and carbon black pigment bags, square-bottom bags, and powder bags for specialty chemicals.

Company Profile: JSTY possesses modern extrusion and bag-making equipment. The company has transformed from a traditional sales model to providing comprehensive OEM production capabilities, with a focus on customized designs (printing, lamination, valve options, etc.) for clients.

Product Range: Main products (unless otherwise specified, all capacities are 25 kg): Fertilizer valve bags, chemical packaging bags, polymer-filled bags, carbon black pigment bags, gusseted/folded packaging bags, powder-filled valve bags. In addition, they also produce heavy-duty composite bags made of polyethylene (PE) and polypropylene (PP) or kraft paper.

Technology and Quality: JSTY utilizes a polyethylene (PE) blown film production line and high-speed sewing machines. Product quality is ensured through in-process and final inspections. While its automation level is not as high as VidePak, JSTY strictly adheres to international technical standards (e.g., valve dimensions follow ASTM F1140).

Market Positioning: JSTY’s packaging bags serve China’s petrochemical and construction industries (e.g., cement, adhesives), agriculture (fertilizers, seeds), and additives (carbon black pigments, plastic modifiers). Many Chinese fertilizer and feed producers rely on JSTY for reliable packaging. The company primarily targets the domestic market but also exports to regions such as Southeast Asia and Africa.

In summary, JSTY’s strength lies in its product diversity and wide range of applications. With extensive experience in fertilizer and chemical packaging, the company is a key supplier to industries requiring high-strength PE bags. The company continuously improves its products (e.g., developing breathable FFS films for rapid filling lines) to meet the evolving needs of customers in the Chinese industrial market.

3. Golden Tree (Bolio) – Veteran in Composite Packaging

Bolio Golden (established 2010) is a veteran Chinese packaging enterprise, originally based in Guangdong. Golden Tree specializes in composite bags and FIBC bulk bags, with products tailored for large-scale, automated packaging.

• Product Range: The company is known for “three-in-one” laminated bags – these are paper-plastic (multi-wall) bags with inner PE lining for added moisture barrier. It also makes 4-layer multiwall kraft paper bags, flexible jumbo FIBC (big-bag) containers, and reinforced container bags (patented design) for extremely heavy loads. Essentially, Golden Tree provides almost every type of bag used in cement, chemical powders, and aggregate industries.
• Production Scale: Golden Tree’s reported production capacity is very high: up to 1.2 million laminated composite bags and 100,000 multi-wall paper bags per month. FIBC output runs ~30,000 units monthly. The large scale indicates serving many major customers. A significant share of output goes to known petrochemical and construction clients, who rely on Golden Tree’s products for reliability.
• Market Distribution: Golden Tree has a strong export footprint. Its bags are sold domestically and in Taiwan, Hong Kong, Japan, Singapore, South Africa and other markets. Supplying to international customers suggests compliance with global standards (e.g. UN-certified bulk containers). It is especially reputed among cement manufacturers and chemical suppliers, due to its early entry (since the 1990s) and consistent quality.

Golden Tree’s longevity and breadth of offerings make it a cornerstone in China’s packaging industry. Its focus on laminated bags and FIBC reflects an ability to serve both traditional industries (cement with kraft paper bags) and modern ones (bulk resin shipments in jumbo bags). As environmental regulations tighten, Golden Tree has been updating materials (e.g. using recyclable PE liners) to maintain its position.

4. Zongheng Pack – Advanced FFS and Valve Bag Producer

Wuxi Zongheng Plastic Industry Co., Ltd. (1999) is a professional manufacturer of FFS films and heavy-duty bags, located in Jiangsu Province. Guided by “technology-driven production”, Zongheng specializes in developing packaging tailored to customer requirements.

• Manufacturing Base: Zongheng’s plant covers 12,000 m² with fixed assets around 60 million RMB. It employs over 50 production staff and several engineers. Its facilities include modern film extruders and cutting-edge printing/bag machines (both Chinese and some imported equipment). Annual production capacity exceeds 7,000 tons of various products.
• Product Lines: Main offerings are FFS blown films (including gusseted roll stock) and a wide range of 25kg PE valve bags and open-mouth sacks. It also supplies standard polyethylene stretch/adhesive bags for chemical additives. Raw materials come from major petrochemical suppliers domestically and abroad, ensuring quality resin.
• Quality Systems: Zongheng operates under ISO9001, maintaining stringent process control. In-house labs monitor tensile strength, thickness and seal performance. Its adherence to international quality norms allows it to cater to both local and global clientele.
• Markets: Zongheng serves industries like chemicals, mining, agriculture and construction. For example, it supplies flue dust from mines, bulk minerals, feed ingredients, and fertilizer producers. Customization (e.g. anti-slip coatings, special handles) is a service they emphasize. While mostly serving China’s eastern industrial corridor, the company also exports FFS films and bags to neighboring regions.

As a mature bag producer, Zongheng Pack leverages technological know-how and ISO-backed quality management to compete. Its focus on FFS film (rather than just pre-made bags) gives it an edge in automating packaging. By controlling film production, Zongheng can precisely engineer air-vent patterns and film strength, positioning itself well in an increasingly automation-oriented market.

5. Hengshui Jufeng (Jufeng Sujiao) – Modern Innovator in PE Packaging

Hengshui Jufeng Plastic Co., Ltd. (also JUFENG SUJIAO, established 2013) is a newer facility in Hebei Province that has quickly assembled a range of modern capabilities. Though relatively young, Jufeng has invested heavily in certifications and equipment.

• Facilities & Certifications: The factory covers over 10,000 m² and employs 130 staff. It boasts multiple 3-layer co-extrusion film blowing machines, high-speed printing lines, embossing-edge machines, and computer-controlled bag making equipment. Jufeng adheres to ISO9001:2015, ISO14001:2015, and ISO45001:2018 standards, a full suite ensuring quality, environment and occupational safety. A dedicated quality department inspects raw materials and finished bags rigorously.
• Product Offerings: Jufeng’s portfolio is broad and specialized: it produces FFS multi-layer film bags, EVA-coated feed bags, low-melting-point valve bags (for easy hot-seal closure), heavy-duty PE sacks, PE flame-retardant film, and anti-rust (VCI) packaging films. In other words, it not only makes standard valve and open-mouth bags but also films with special properties (flame retardancy, corrosion inhibition). This diversity caters to niche industrial needs – for example, electronics manufacturers needing static-free (EVA/VCI) bags.
• Industry Focus: The company targets chemical, feed and electronics industries. Its EVA feed bags are designed to prevent dust and static in pellet feed, while VCI anti-rust bags protect metal parts during export. The low-melt valve bags allow for sealed packaging without sewing, ideal for certain automated lines. These specialized products indicate Jufeng’s strategy: serve segments requiring high-performance materials.
• Market Position: As a ISO-certified modern enterprise, Jufeng appeals to companies seeking consistent and safe packaging. It fills the role of a flexible, high-tech bag supplier. While its domestic market is still developing, its advanced capabilities suggest potential to supply foreign markets that require these specialty bag types.

In summary, Jufeng Sujiao combines a modern plant with a focus on specialty PE films and sacks. Its emphasis on certifications and quality control ensures its products can meet high-end industrial standards. As such, Jufeng represents the new wave of Chinese packaging companies that leverage advanced technology to carve out niches in the global supply chain.

6. Shandong Haiyang LongYuan – Comprehensive High-End Plastic Packaging

Shandong Haiyang LongYuan Packaging Co., Ltd. (est. 2010) is a newer player based in Haiyang, Shandong Province, that has quickly established a reputation for high-end plastic packaging. The company’s strategy is to integrate a full array of advanced manufacturing – from film extrusion to finished bag – under one roof, allowing it to serve virtually any plastic packaging need.

• Facilities & Expertise: LongYuan has invested in film blowing lines, high-speed bag-making machines, and multi-color printing presses. This infrastructure supports a wide product portfolio. The company’s R&D team continuously explores new bag types (e.g. breathable films, laminated composites).
• Product Portfolio: LongYuan produces PE valve bags (e.g. for fertilizers and chemicals), FFS heavy-duty film sacks, PP woven bags, OPP composite bags, and even specialized packaging like anti-slip bags and ecological (biodegradable) bags. Its range covers: fertilizer and chemical sacks, powder drip-proof bags, liquid fertilizer drums liners, and fermentation/feed breathing bags (with micro-vent perforations to allow gas exchange).
• Industry Coverage: The breadth is notable – LongYuan “covers the entire packaging industry” in terms of applications. Its client base includes agricultural co-ops, feed mills, chemical manufacturers, and large construction material companies. Because of its integrated setup, LongYuan can offer customers fully matched solutions (for example, films co-extruded with the exact resin blend a fertilizer producer needs).
• Reputation: Though younger, LongYuan has rapidly been recognized as a comprehensive packaging integrator. It combines modern equipment with quality control, earning trust from clients looking for a single supplier for all their bag-film needs. The company continues to market itself as moving China’s packaging industry forward through integration and innovation.

LongYuan’s model – one-stop, high-end production – reflects a market trend where customers prefer comprehensive solutions. Instead of fragmenting procurement, large industrial buyers can rely on such firms for consistency in materials and performance, knowing that the same company that extrudes the film also stitches and prints the final bag.

7. JELIN – Innovation-Driven Heavy Packaging Specialist

Founded in 2004, Jiangsu Jelin (commonly JELIN) specializes in high-performance PE packaging for the chemical and construction industries. JELIN emphasizes innovation – it has an “excellent technical and management team” and operates with “world’s advanced equipment”. The company actively participates in industry standard development, reflecting its role as a technical leader in China’s packaging sector.

• Technology & Innovation: The plant is equipped with imported multi-layer extrusion lines and high-precision bag-making machines. JELIN focuses on R&D – for example, engineering highly uniform perforation patterns to allow venting without particles leaking. It has contributed to national packaging standards, pushing the industry toward safer, higher-quality sacks.
• Core Products: JELIN manufactures form-fill-seal (FFS) tubular film sacks, powder-grade valve bags, and specialty film coverings for heavy loads. Its portfolio includes 3- to 5-layer co-extruded PE FFS rolls (for automated bagging machines), breathable (micro-perforated) valve bags for cement and lime, and cold-stretch film wraps that cover bulky items.
• Market Segments: JELIN’s bags are used in heavy industries across China. Cement and building-materials firms use its FFS sacks for cement and mortar; chemical companies (resins, calcium carbonate, etc.) use its valve bags for powders. Its cold-stretch covers find niche use in securing large packaged goods. The company supplies both state-owned enterprises (SOEs) and private manufacturers, mainly domestically but also to nearby Asian markets.

In essence, JELIN combines advanced equipment with active R&D to serve demanding bulk-packaging applications. Its emphasis on quality and standards has earned it recognition as a top valve-bag OEM, particularly for specialized applications like breathable cement bags and multi-layer FFS systems.

8. Zhanghong Packaging – Resins and Coated Bag Specialist

Zhanghong Packaging Co., Ltd. (founded 2005) is a Jiangxi-based company specializing in plastic flexible packaging, particularly heavy-duty FFS films and valve bags for chemical products. Its operations cover a 50-mu (≈3.3 hectare) area, with capital investment of ~30 million RMB and annual output around 5,000 tonnes of film and bags.

• Products: Zhenghong produces polyethylene FFS films (standard and gusseted), PE laminated valve sacks, and square-bottom (block-bottom) valve bags. These products are mainly used for cement, resins, petchem powders, and additives. The company’s valve bags often incorporate co-extruded PE laminates to resist moisture and abrasion.
• Industry Focus: It has a strong emphasis on chemical bag R&D. Clients come from soft materials and minerals: resin (plastics raw materials), lithium battery additives, calcium carbonate, modified plastics, animal feed, fertilizer and other bulk commodities. Feedback indicates its bags have “stability and high cost performance”, suggesting good strength-to-price ratio.
• Quality and Compliance: Over 20+ years, Zhenghong has implemented strict quality control across production. It has passed necessary environmental and safety audits. The company stresses continuous service and product quality. According to industry reports, it is capable of meeting large contracts for domestic chemical and mineral producers, reflecting its mature processes.

Zhenghong occupies a niche in China’s PE bag market by focusing on non-food industrial powders. Its specialized FFS film capabilities (including venting and lamination) enable it to offer tailored solutions for moisture- or dust-sensitive products. The company’s combination of chemical-industry focus and compliance credentials makes it a trusted supplier for clients in eastern China’s processing centers.

9. Guangzhou Xinwen Plastic – Industry Pioneer in Woven and FFS Packaging

Guangzhou Xinwen Plastic Co., Ltd. (founded 1982, reorganized in 2005) is one of China’s oldest and largest plastic bag manufacturers, based in Guangdong. Xinwen has long emphasized both production scale and technological advancement.

• Company Background: Xinwen traces its roots back to Wenchong Plastic, a key supplier to China’s petrochemical sector. It has a 40,000 m² modern facility in Guangzhou’s Yonghe district. In addition to horizontal expansion, Xinwen has achieved ISO9001 and ISO14001 certifications, underscoring its focus on quality and environment.
• Raw Material Partnership: Notably, Xinwen is a designated resin supplier for Sinopec (China Petroleum & Chemical Corp.), meaning it has long-term contracts for petrochemical-grade polypropylene and polyethylene. This guarantees top-tier polymer and stable supply for its own sacks.
• Production Capacity: Xinwen reports massive output: about 4 million PP woven bags per month, 300 tons of FFS film monthly, plus large quantities of FIBC (100,000 container bags per month). It has installed dozens of high-speed looms, auto-stitching machines and its own nonwoven/liners line. Unique features include self-developed automated lines (with proprietary improvements) and an extensive testing lab for tensile, bursting, and sealing parameters.
• Product Range: Xinwen’s core products are PP woven sacks and 3-layer co-extruded FFS bags. It also makes container/ton bags (FIBC), stretch and shrink films, and paper-plastic composite bags. All these are used for industrial packaging in chemicals, plastics, food grain and more. The made-in-China profile noted uses: petrochemical packing, agriculture, construction materials.
• Market Reach: While its focus is the domestic market, Xinwen exports to many countries. Main export markets include Saudi Arabia, USA, Canada, Chile, Mexico, Spain, Australia and others. This global reach indicates Xinwen’s ability to meet international standards in quality and delivery. Its diversified client base spans multiple continents, making it a genuinely major supplier.

Xinwen’s longevity and scale make it a flagship of Chinese heavy packaging. It has continuously upgraded machinery and expanded product lines to remain competitive. The blend of old experience and new technology (e.g. intellectual-property-controlled machines) sets Xinwen apart as both a large-scale manufacturer and an innovator in the packaging materials sphere.

10. JM Pack – Integrated Industrial Packaging Solutions

JM Packaging Co., Ltd. (trading as JMPACK, founded 2009) is a large OEM supplier of industrial heavy-duty packaging bags. Unlike some competitors focused solely on plastic, JM Pack covers both plastic and paper-based solutions. It produces PP woven bags, PE/PP laminated bags, multi-wall paper valve sacks, and flexible jumbo FIBC bags.

• Facilities & Capacity: The company operates a fully automated production line imported from Germany’s W&H Group for valves and bag-making. It boasts a high output: around 100,000 PE valve bags per day and roughly 30 tons/day of triple-layer blown PE film. Overall, JM Pack is considered a leading Chinese maker of heavy packaging with strong production capacity.
• Product Portfolio: Key products include PE valve sacks, FFS tubular film and rolls (for form-fill-seal machines), gusseted FFS rolls, PE open-mouth sacks, PP woven and laminated bags, multilayer paper valve bags, cement/petroleum valve bags, and specialty block-bottom PE sacks. The broad range allows JM Pack to serve diverse needs (e.g. fertilizers in PE sacks, cement in paper valves). It also offers custom printing and lamination services.
• Market & Experience: JM Pack has leveraged trust from customers to accumulate extensive packaging know-how. The company targets industries like cement, minerals, chemicals and agriculture. Its position as a one-stop supplier means it can tailor system solutions (e.g. pairing a specific valve bag with a matching filler machine setup). Domestic petrochemical and construction groups feature among its clients, and it maintains distribution networks in Asia.

JM Pack’s integrated approach – combining imported high-speed lines with end-to-end bag production – keeps it at the forefront of China’s packaging field. Its focus on customer-driven R&D and system-level solutions underscores its market leadership among heavy-duty bag suppliers.

In summary, China’s valve bag industry is characterized by intense competition, continuous technological innovation, and growing global influence. The top ten brands combine large-scale production with continuously improving R&D capabilities to meet the stringent demands of industrial customers. Looking ahead, we can expect continued industry consolidation (as companies seek economies of scale), further development of smart manufacturing, and increasingly stringent environmental standards for materials. All these factors indicate that Chinese PE valve bag manufacturers will remain significant players in the international packaging market in the coming years.