Ningbo Tiangong Mechanical Seals Co., Ltd. (Ningbo Industry Seals Factory) is the national high and new technology company. Our company found in 1984, which covers an area of 10340 square meters, construction area of 8805 square meters, totally have 138 employees so far. We are a professional mechanical seals manufacturer in China since 1984.

Our brand "TianFeng" has registered in the world in more than 30 countries. All kinds of complete mechanical seals applying to different working conditions, which included cartridge type, rubber bellow type, metal bellow type,and O-ring type. Many of the unique mechanical seals designed and produced per year base on the customers' needs. The mechanical seals internal diameter that we can produce it from 6mm to 250mm. The highest pressure can reach to 16Mpa.

Meanwhile, we produce different spare parts with the material Silicon Carbide, Tungsten Carbide, Ceramic, and Carbon in seal rings, bushings, thrust disc. The product designs, according to DIN24960, EN12756, IS03069, AP1610, AP1682,and GB6556-94 standards. The products used in petroleum, chemical industry, power plants, machinery, metallurgy, shipbuilding, sewage treatment, printing and dyeing, food industry, pharmacy, automobile ,and so on.

The company has some highly qualified technical and management personnel,and we have some professional engineers and technicians for mechanical seals and pumps, who can design different mechanical seals, developing solutions,and supply the best service on-site. We also have further cooperation with some universities. We use ERP and PLM systems. We continued to develop and introduce new products and technologies per year for designing new products to meet customers' needs. To ensure the quality of the product, we have many advanced production and inspection equipment. Our company set up one perfect quality management system, we obtained ISO 9001:2008 quality system certification and obtained Mechanical Seals Production License. For the auto market, we are introducing ISO/TS16949: 2002 quality standards.

During the 30 years, we are adhering to the "Best Quality, Sincere Service" concept. We insist on market-oriented, customer-centric, and try to improve the company's internal management and comprehensive staff ability that we can supply customers with reliable and economical products. From the pre-program design and technical consultation to the after-sales service on-site, we try to prepare for all the details. Because of this, we have an outstanding reputation both in the domestic and international markets. That is the best reason for customers to choose our products. So far, our customers from all the cities of China and more than 40 abroad countries.