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.
