zhejiang datong sealing co, .ltd is grounded on a mission to be the world’s leading edge Roller Chains Manufacturer and Supplier. Our product line revolves around oil seals,bushing,intake manifold/carburetor connector,roller chain,dust boots being manufactured in Beijing, Beijing, China. We have established our benchmark as one of the best Private Limited company delivering high end Roller Chains since 2000.We understand the global demand to access the reviving Roller Chains and to cope with it our strong workforce leverages on a well developed manufacturing unit boasting 20 Years of export history with generating yearly revenue around Below US$1 Million. Our professional enterprise was introduced with initial business capital of US$5 Million, houses first in class technicians and a strong quality management system that helped us capture US$2.5 Million - US$5 Million worth export value and Australia,Canada,India,South Korea,Malaysia market share.