1995101-200 peopleManufacturer/Trading Company/Distributor/Service Company
Wenzhou Zhengyi Ceramic Valve Core Manufacturing Co., Ltd., established in 1995, is a leading manufacturer, trading company, distributor, and service provider based in Wenzhou, China. With over 20 years of experience in the mechanical seal industry, the company specializes in the production of mechanical seals, ceramic valve cores, tap cartridges, and ceramic disks. Their products, including Auto Cooling Pump Seals, Flygt Pump Seals, Grundfos Pump Seals, and Industrial Mechanical Seals, are critical components for automobile cooling systems and are widely applied in industries such as Oil and Gas, Petrochemical, Refining, Pulp & Paper, and Power. The company operates a factory covering over 6,000 square meters, equipped with modern manufacturing and quality control systems, and employs between 101 and 200 people. Wenzhou Zhengyi Ceramic Valve Core Manufacturing Co., Ltd. is ISO 9001 certified, emphasizing quality service and technological progress. They offer OEM and ODM services and export to various international markets, including Europe, Oceania, Africa, and Southeast Asia.
OEM manufacturerOffers OEM services for customized brand manufacturing.
Industry association memberMember of ExportHub, Dial4trade.com association.
Established brandFounded in 1995, with over 20 years of industry experience.
Contact
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Products
Products
0
Categories
0
Mechanial Seal (ZY-155)
0·0 reviews
Tap Cartridge (ZY35PS-1)
0·0 reviews
Tap Cartridge (ZY35PS-4)
0·0 reviews
Mechanical Seal (ZY-156)
0·0 reviews
Mechanical Seal (ZY-301)
0·0 reviews
Mechanical Seal (ZY-560A)
0·0 reviews
Mechanical Seal (ZY-FB)
0·0 reviews
Tap Cartridge (ZY35PS-4)
0·0 reviews
Certifications
ISO 9001
3
International Organization for Standardization 9001
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Key export market
🇩🇪 Germany🇩🇪 Germany
🇮🇳 India🇮🇳 India
🇵🇱 Poland🇵🇱 Poland
🇹🇷 Turkey🇹🇷 Turkey
🇬🇧 United Kingdom🇬🇧 United Kingdom
EuropeEurope
AfricaAfrica
OceaniaOceania
AsiaAsia
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Ningbo Zhongji Fine Ceramics Technology Co., Ltd.
🇨🇳 China
1956101-200 peopleManufacturer/Trading Company
Established brand
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Patented technology
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Shipments
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Key customer
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Key market
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Description
Ningbo Zhongji Fine Ceramics Technology Co., Ltd. is a high-tech manufacturer and trading company based in Ningbo, China, specializing in advanced ceramic materials and products. Established in 1956, the company has a long history of R&D and production in alumina, silicon carbide, silicon nitride, and zirconia ceramics. With over 100 employees, Ningbo Zhongji operates a factory covering 27,000m² with modern production and testing facilities. They are a contract manufacturer offering a wide range of products including ceramic discs, ceramic plungers, oil extraction ceramic pumps (a patented product), ceramic hard-sealing valves, mechanical seals, ceramic liners, and bulletproof ceramic plates. The company holds ISO 9001 certification, ensuring high-quality standards. Collaborating with institutions like Shanghai Institute of Silicate and Tsinghua University, Ningbo Zhongji focuses on innovation and serves various industries such as industrial pumps, medical instruments, food machinery, oil extraction, military, and fluid control. Approximately one-third of their products are exported to international markets.
Zhejiang ZYI Valve Co., Ltd., also known as Zhejiang Zhiyi Machine Manufacturing Co., Ltd., is a manufacturer and trading company based in Wenzhou, China, established in 1990. The company specializes in the production and export of a comprehensive range of industrial valves and fittings, operating from a factory with a building area of approximately 18,800 m2 and equipped with over 320 sets of mechanical processing and inspection equipment. With 101-200 employees, Zhejiang ZYI Valve Co., Ltd. offers a wide variety of valves including Ball Valves, Butterfly Valves, Gate Valves, Globe Valves, Check Valves, and Safety Valves, manufactured to international standards such as API/ANSI, DIN, BS, GB/ISO, and JIS. They provide products with nominal diameters from 15-4500 mm (1/2"-180") and nominal pressures from 0.6Mpa-42Mpa (150lb-3000lb), utilizing materials such as cast (WCB, LCB, CF8M) and forged (A105, F304, F316) options. The company holds certifications including CE, ISO 9001, ISO 14001, API 6D, and API 607, and offers contract manufacturing and buyer label services. Their product portfolio also includes radiator valves and sanitary fittings, with a focus on HVAC systems and parts.
Cast Steel Gate Valve
Bellows Gate Valve
Pneumatic Fixed Ball Valve
Forged Steel Ball Valve (Q47)
API Butterfly Valve
API Full Welded Cast Steel Ball Valve (Flange Type)