Ningbo Industry Seals Factory located in Ningbo city Zhejiang province, which is at the coast of beautiful Eastern Sea, near to Hangzhou and ShangHai. Our company specialized in manufacturing and selling of mechanical seals. The factory established in December, 1984, which covers an area of 10340 square meters, including 8805 square meters of construction area. We totally have 107 employees. Our brand “TianFeng” has been registered in 30 countries all over the world. Products contain all kinds of whole set mechanical seals which can be applied in different working conditions, including cartridge type, rubber bellow type, metal bellow type and O-ring type. Meanwhile, we can also supply spare parts with the material Silicon Carbide, Tungsten Carbide, Ceramic, and Carbon. The inner diameter of seals we can supply is from 6mm to 250mm. The highest pressure can be reached is 12MPA. The design of the products accord with DIN24960, EN12756, ISO3069, API610, API682 and GB6556-94 standards. They can be used to petroleum, chemical industry, electric power, mechanicals, metallurgy, shipping, sewage treatment, printing and dyeing, food industry, pharmacy, automobile and so on.