Wenzhou Huakang Mechanical Seal Factory, established in 1996 and part of the WenZhou Hank Group, is a specialized manufacturer and trading company based in Wenzhou, China. With a workforce of 201 to 300 employees and a team of professional engineers, the company operates a large-scale production facility dedicated to high-performance sealing solutions and automotive components. The factory is ISO 9001, ISO 14001, and IATF 16949 certified, ensuring rigorous quality control across its diverse product lines.
The company specializes in a comprehensive range of mechanical seals, including cartridge, metal bellow, single spring, multi-spring, and wave spring types. These products are engineered to be compatible with or replace major international brands such as John Crane, AES, Burgmann, and Flowserve. Their seals accommodate inner diameters from 6mm to 250mm and can withstand pressures up to 12MPA. Additionally, the company produces specialized seals for pump brands like Flygt, Grundfos, Alfa Laval, and APV, alongside a wide array of sealing materials including tungsten carbide, silicon carbide, graphite, ceramic, and various rubbers.
Beyond mechanical seals, the group’s automotive division, Wenzhou HuaKai Automobile Part Factory, manufactures engine bearings, thrust washers, bushes, and brake components. Wenzhou Huakang Mechanical Seal Factory is a significant international player, exporting 80% of its production to global markets. They offer extensive OEM and ODM services, providing custom design solutions for professional pump and automobile manufacturers across industries such as petroleum, chemical processing, power generation, metallurgy, and sewage treatment.
OEM manufacturerOffers OEM services for customized brand manufacturing.
Product customizationOffers full customization for design and features.
Industry association memberMember of key industry associations association.
High-tech enterpriseRecognized as a high-tech or innovative enterprise.
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Products
Products
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Categories
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Silicon Carbide Ring
0·0 reviews
Cartridge Seals
0·0 reviews
Stainless Steel Seal
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Rubber Ring
0·0 reviews
Mechanical Seals
0·0 reviews
Customers
AES
1
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Certifications
ISO 9001
1
International Organization for Standardization 9001
ISO 14001
1
International Organization for Standardization 14001
IATF 16949
1
International Automotive Task Force 16949
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Wenzhou Huakang Automobile Parts Co., Ltd. is a professional manufacturer of automotive components based in Wenzhou, China. Established in 2007, the company has accumulated 35 years of experience in the development and production of engine bearings, bushes, and thrust washers. With a workforce of 11 to 50 employees, Wenzhou Huakang Automobile Parts Co., Ltd. specializes in a wide range of products including main bearings, engine bearings, conrod bearings, auto main bearings, bi-metal bushings, and tin-bronze bushings. The company operates its own factory, focusing on the manufacturing of critical engine components.
Bi-Metal Bushing
Main Bearing
Tin-Bronze Bushing
Bushing
Auto Main Bearing
Thrust Washer
Conrod Bearing
Wenzhou Tiangu Seal Co., Ltd.
🇨🇳 China
198251-100 peopleManufacturer/Trading Company
Established brand
OEM manufacturer
ODM manufacturer
Own brand
Shipments
3450
Key customer
DP TECHNICAL SERVICE TRADING
Key market
🇻🇳 Vietnam
Description
Wenzhou Tiangu Seal Co., Ltd., also known as TNG Seal, is a specialized manufacturer and trading company established in 1982. Based in the Wenzhou Economic and Technological Development Zone, China, the company has over 40 years of experience in the design, development, and production of mechanical seals for pumps and rotating equipment. Operating a 6,000-square-meter factory with an annual production capacity of 6 million sets, the company serves diverse industries including food and beverage, chemical, pharmaceutical, and water treatment.
The company offers an extensive product portfolio featuring over 100 series and 2,000 specifications. Key product categories include elastomer bellows, metal bellows, O-ring pusher, PTFE bellows, and cartridge mechanical seals. TNG Seal is a leading provider of standard mechanical seals and specialized OEM/ODM replacement seals for global brands such as Grundfos, Alfa Laval, APV, and Flygt. Their inventory maintains over 1,500 sizes available for immediate stock delivery.
Committed to high-quality standards, Wenzhou Tiangu Seal Co., Ltd. is ISO 9001:2015 certified and complies with FDA, RoHS, REACH, and EC1935/2004 regulations. The company maintains a strong focus on R&D through collaborations with institutions like Zhejiang University of Technology, resulting in multiple national patents and technological awards. With a global export network spanning over 60 countries across North America, Europe, and Southeast Asia, the company is a member of the China Hydraulic Pneumatic Seals Industry Association and is dedicated to a "zero leakage" quality philosophy.