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Ningbo Industry Seals Factory is located in Ningbo City, Zhejiang Province, on the coast of the beautiful Eastern Sea, near to Hangzhou and ShangHai. We have specialized in the manufacture and sale of a wide variety of high quality mechanical seals since 1984. Our factory covers an area of 10,340 square meters, including 8,805 square meters of construction area, and we employ 128 highly trained staff members.

Our brand "TianFeng" has been registered in thirty countries all over the world. Our products contain numerous types of complete mechanical seals, which can be applied in different working conditions, such as our cartridge mechanical seal, rubber bellows mechanical seal, metal bellows mechanical seal, O-ring mechanical seal, and others. We also supply spare parts with the materials Silicon Carbide, Tungsten Carbide, Ceramic, and Carbon. The inner diameter of our seals ranges from 6mm to 250mm. The highest pressure can be reached to12MPA. The design of our products is in accord with DIN24960, EN12756, ISO3069, API610, API682, and GB6556-94 standards. Our excellent products are used in the industries of petroleum, chemical, electric power, mechanical, metallurgy, shipping, sewage treatment, printing and dyeing, food, pharmaceutical, automobile, and more.

Our many knowledgeable engineers and technicians are skilled in the design of various mechanical seals. These experienced staff members are able to troubleshoot and supply support on site. Our technology department has an established PDM system. Because we educate ourselves with advanced technology from the domestic and international markets, we are able to develop several new types of mechanical seals each year so that we can meet the demands of this ever-changing and growing market. To ensure the quality of our products, we utilize advanced and complete production and testing equipment. We also have established a flawless quality management system. We have passed the ISO 9001: 2008 quality system certification and international accreditation and have obtained a Mechanical Seals Production License. Furthermore, in order to enter the auto field, we are applying for the ISO/TS16949: 2002 quality standard.

During our twenty-seven years that we have abided by "Best Quality and Sincere Service" as the essence of our business. Keeping a keen eye on the market and focusing on the satisfaction of our clients, we always strive to improve our products through enhancing the level of management and our employee's far-reaching capabilities. We work diligently to provide the most reliable and economical products for our customers. From project design and technical consultation before the sale to after-sales service, we strive to offer the best to our clients every step of the way. Our reputation is unsurpassed both in the domestic and international markets. This is the reason why so many clients across China and in forty overseas countries are confident in purchasing our products. We welcome you to try them, too.

Main Products
  • Food Pump Mechanical SealOn this page, we show you different types of food pump mechanical seal for use in food and beverage production equipment. We can offer APV, ALfa Laval, Fristam ...
  • Elastomer Bellows Mechanical SealOur elastomer bellows mechanical seal comes with simple and compact structure and reliable performance. It is ideal for materials ...
  • O-Ring Mechanical SealO-ring mechanical seals use o rings for secondary seal. They are easy for replacement and can be used in wide range of applications. This type of mechanical seal can ...
  • Wedge Ring Mechanical SealThe wedge ring mechanical seal uses Teflon wedge ring or rubber O ring as for the secondary seal. It features compact structure and good corrosion resistance.
  • Cartridge Mechanical SealCartridge mechanical seal is easy for installation. It starts working as soon as the stop block for the positioning bolt is removed. The spring compression force ...