1.YEI passed ISO-9001 / TS-16949 certificate.
2. Top leading manufacturer of sealing products in the world.
3. All of the production follows SOP. ( Standard Operating Procedure)
4. Based on the Quality Assurance, Serve and satisfy the clients.
5. R&D specialists dedicate themselves to constant innovation.
6. There is no oil dropping on land and end-user stops worrying
environmental pollution if using YEI SHIEN’s products.
7.Global marketing : We sell worldwide.
8.Set up environmental policy to take the community responsibility