Wenzhou Dongsheng Mechanical Seals Factory has been specializing in integrated operation of development, manufacture and sale of mechanical seal products for many years. It boasts first-rate prodessionals in design, process and technology plus advanced special production equipment and testing means in China. Adhering to being oriented by science and technology. it produces high-quality mechanical seal products in accordance with national and international relevant standards and special customer needs, thus meeting users'needs. In the meantime it provides relevant technical consultations for users on a long-term basis to solve their difficulties and key problems in their use, thus embodying its corporate value.
　　
The enterprise has all along been upholding the philosophy of customers first and quality being life. It has established and implemented the product quality and management assurance system all around. Besides, it has passed the certification of ISO9001-2008 and gained the production license for mechanical seal products issued by the state. Its products have a great variety and are widely applied in such industries as petroleum, chemical engineering, electric power, oil transportation, water supply and drainage, pharmacy, dairy and papermaking. They have won a good reputation among users for their good sealability and being lasting and durable.

DONGSHENG keeps up with the times to seize development opportunities. Through many years of efforts, it has been recognized as an excellent product supplier and a reliable partner by many famous enterprises. It always offers high-quality products and credible services to users, committed to building a safe and clean environment. We warmly welcome both old and new customers to do business with us.