Brief:
We are specialized in making mechanical seals for pumps and shaft seal faces in ceramic, carbon, sic and tungsten carbide as well as o-rings, packing,pumps and rubber bellows and so on for 0ver 10 years. Our products are exported all over the world, totalled 50 contries. ISO9000 has been passed and the prodcuts are very popular at home and abroad for the good quality and more competitive price. We can also produce the products according to the samples or the drawings.

Detaild:
The Company, founded in 1992 subordinate to Ningbo Xinghuo Technology Group and as members of China Liquid Seal Association and China Specially-used-for-chemical-industry Seal standardized Technology Committee, is located in Ningbo Jiangshan Science and Technology Zone, covering an area of 10,800 square meters,8,200 square meters of which is used for building.

Ningbo Dongya Mechanical Seal Manufacturer is a professional manufacturer and exporter of mechanical seals, pumps, gaskets, o-rings and other sealing materials. the largest diameter of which can reach 350 mm, The products are widely used in many fields, such as spacecraft machinery, metallurgy, printing and dyeing, foodstuff, pharmaceutical, auto industry and so on .Ningbo Donglian is able to design, measure and produce all kinds of out-of-standard and special mining mechanical seals.

Over 165 staff have been employed ,including 28 technical personnel and engineers. Depending on technical and managerial personnel, computer-controlled management, advanced equipment for producing and testing mechanical seals, the company has been granted ISO 9002 and ISO9001-2000.

The products are very popular home and abroad, exported to over 20 countries because of excellent quality, good after-sales service and more competitive price. Its products have come into the list of the manufacturers of excellent quality in Zhejiang Province.

Mr. Li Youbao, the director, hopes that clients will come and establish business relation with Ningbo Donglian for future development.