Introduction
Zhejiang Jiuyu Technology Co., Ltd. (浙江玖昱科技有限公司) is a Chinese manufacturer of porous metal filtration materials and precision metal filter components based in Pujiang County, Jinhua, Zhejiang Province. Its core product range includes metal fiber felts, sintered mesh, melt filter discs, metal filter cartridges, and related custom filtration elements used in polymer processing, chemical filtration, pharmaceuticals, environmental treatment, and hydrogen energy applications.
The company operates from a self-owned facility of 10,924 square meters and reports annual capacity of 120,000 square meters for metal fiber felts and 96,000 sets for melt filter discs and filter elements. Its product portfolio and production capabilities position it within the industrial filtration segment of the plastics and process industries, where high-temperature, high-precision filtration is critical for polymer melt purification, fiber spinning, and film extrusion.
Jiuyu also has a visible presence in the hydrogen sector, particularly through titanium fiber felt and nickel fiber felt products used in electrolyzer gas diffusion layers and related porous transport applications. This dual focus on industrial filtration and electrochemical materials reflects the company’s specialization in engineered porous metals rather than general-purpose filtration products.
History and Development
Zhejiang Jiuyu Technology describes its founder as having worked in metal porous materials since 1998, while company listings identify the firm as established in 2014. The available material suggests a long technical development background followed by formal company structuring and branding in the 2010s.
Several milestones stand out:
- The company reports the development of an integrated production chain covering raw material processing, fiber weaving, sintering, rolling, machining, and testing, indicating a move from component supply toward vertically integrated manufacturing.
- Jiuyu has expanded into hydrogen energy applications, including titanium and nickel fiber felt products for electrolyzer use, which broadens its industrial base beyond conventional filtration.
- In 2024, Zhejiang Jiuyu Technology appeared in Zhejiang Province’s list of recognized high-tech enterprises and in the province’s list of technology-based small and medium-sized enterprises, indicating formal recognition of its innovation profile.
The company has also been listed in Chinese industry and exhibition directories linked to hydrogen and fuel-cell events, reflecting active participation in adjacent clean-energy markets.
Business Operations and Segments
Jiuyu’s business is centered on the design and manufacture of porous metal filtration media and finished filter elements. Its operations appear to combine manufacturing and trading functions, with support for OEM and ODM models according to marketplace listings.
Its principal operational areas include:
- Filtration materials: stainless steel, titanium, and nickel fiber felts; sintered mesh; and related porous media.
- Finished filter products: melt filter discs, pleated melt filters, filter cartridges, and fiber felt filter bags.
- Custom engineering: tailored filtration elements for demanding process conditions, including high-temperature and chemically aggressive environments.
- Hydrogen-related materials: titanium and nickel fiber felts for PEM and AEM electrolyzer applications.
The company reports more than 40 employees on some marketplace listings, indicating a relatively compact but specialized manufacturing operation.
Products and Technologies
Jiuyu’s product portfolio is built around porous metal structures manufactured for controlled permeability, thermal resistance, and mechanical durability. These characteristics make the products suitable for applications where polymer melts or reactive process streams require stable and fine filtration.
Key product categories include:
- Metal fiber felt: available in stainless steel, titanium, nickel, and other grades; used in filtration media and electrochemical applications.
- Sintered mesh: layered metal mesh fused to create rigid porous structures for filtration and separation.
- Melt filter discs and melt filter elements: used in polymer melt filtration, especially where contamination control affects extrusion quality.
- Pleated metal filter cartridges: designed to increase surface area and dirt-holding capacity in compact filter assemblies.
- Filter bags and custom porous elements: made for higher-temperature or higher-viscosity process streams.
Technical listings indicate filtration precision in the range of 3–200 μm for some products, showing that the company serves both coarse and fine filtration requirements. Product pages also reference materials such as 316L, 310S, and 304 stainless steel, which are common in corrosion-resistant and heat-resistant industrial filtration.
A notable area of specialization is titanium fiber felt for PEM electrolyzer gas diffusion layers and nickel fiber felt for AEM electrolyzer gas diffusion layers, suggesting that Jiuyu applies porous-metal know-how to electrochemical energy devices as well as traditional process filtration.
Applications and End Markets
Jiuyu’s products are used in several industrial sectors, with the plastics and chemical-fiber industries being especially relevant.
Major application areas include:
- Chemical fiber and textile processing: polymer melt filtration and spinning-pack filtration for fiber production.
- Plastics and film extrusion: melt filtration in polymer processing and thin-film manufacturing.
- Chemical and petrochemical processing: high-temperature gas-solid separation, liquid filtration, and catalyst recovery.
- Pharmaceutical and food processing: sterile filtration and high-purity liquid purification.
- Hydrogen energy: electrolyzer gas diffusion layers and purification-related porous components.
- Environmental treatment: gas and dust filtration, including atmospheric治理-related uses cited by the company.
For plastics manufacturers, melt filtration is particularly important because contamination control can affect extrusion stability, die quality, and downstream product appearance. Jiuyu’s melt filter discs and cartridges therefore sit within an enabling supply chain for polymer processors rather than as consumer-facing plastics products.
Global Presence and Market Position
Publicly available material indicates that Jiuyu serves domestic and international customers, but it does not provide reliable audited revenue data or verified global market share. The company’s marketplace presence on industrial platforms suggests cross-border sales activity and export-oriented presentation, especially for filtration components used in industrial equipment supply chains.
Its competitive position appears to be that of a specialized mid-sized manufacturer rather than a mass-market supplier. The firm differentiates itself through:
- vertical integration across multiple production stages,
- a broad porous-metal product range,
- customization for demanding applications,
- and a growing presence in hydrogen-related porous materials.
The company also appears in industry exhibitor listings for hydrogen and fuel-cell events, which suggests positioning at the intersection of industrial filtration and clean-energy components.
Sustainability and Environmental Initiatives
Jiuyu’s publicly visible sustainability profile is limited, but several points are noteworthy.
The company reports ISO 9001:2015 and ISO 14001:2015 management system certifications in marketplace listings, indicating formal quality and environmental management frameworks. Its product lineup also includes filtration components used in chemical processing, air treatment, and hydrogen technologies, all of which are linked to environmental performance improvements in downstream industries.
From an industry perspective, porous metal filtration can contribute to resource efficiency by extending process stability, reducing contamination losses, and enabling more durable filtration in high-temperature settings. That said, no publicly available source in the provided material quantifies Jiuyu’s own emissions, energy use, recycling rates, or lifecycle performance.
Financial Performance and Economic Impact
No audited financial statements or verified revenue figures were present in the available sources. The company is described as having paid-in registered capital of 10 million yuan and a production facility of 10,924 square meters, which indicate a substantial small-to-mid-scale industrial base.
The company’s economic contribution is most visible in:
- localized manufacturing employment in Pujiang County,
- supply-chain support for polymer processing and filtration equipment makers,
- and the development of specialized materials for emerging hydrogen applications.
Leadership and Corporate Governance
The available sources do not provide a complete leadership roster or detailed board structure. The company is consistently presented as a privately held manufacturing enterprise with technical management rooted in porous-material production.
What can be verified is that Jiuyu emphasizes:
- a specialized technical team with long experience in porous filtration materials,
- a professional sales function for domestic and overseas customers,
- and formal quality/environmental management systems.
Innovations and Future Outlook
Jiuyu’s innovation profile is centered on porous metal engineering, especially where thermal stability, corrosion resistance, and controlled permeability are required. The firm’s move into hydrogen-related materials is strategically significant because electrolyzer and fuel-cell supply chains increasingly require durable porous substrates and gas-diffusion structures.
Likely growth areas include:
- higher-precision polymer melt filtration for advanced film, fiber, and resin processing,
- custom porous metals for harsh chemical environments,
- and electrolyzer components for PEM and AEM systems.
Its future trajectory will likely depend on the same factors shaping the wider industrial filtration market: tighter process tolerances, higher performance requirements, demand for clean manufacturing, and the pace of hydrogen-sector expansion.
References
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CPS+ eMarketplace. (n.d.). ZHEJIANG JIUYU TECHNOLOGY CO., LTD.ZHEJIANG JIUYU TECHNOLOGY CO., LTD.. CPS+ eMarketplace. https://www.chinaplasonline.com/eMarketplace/ExhibitorInfo?CompId=1021054Link