There has been an increasing trend among users to request for PTFE coated bolts. This is because of the high level of corrosion protection and lubricity available in the PTFE coating. We highly recommend Xylan coating because of its reputation in the Oil and Gas Industry as one of the premium coating providers for bolts and nuts. As a Qualified Approved Coater, our PTFE coated bolts and nuts have been used in various countries including Singapore, Thailand, Malaysia and Vietnam. Chin Yuan has been proud to be one of the top manufacturers in the region and ensuring the best quality bolts coupled with the highest quality PTFE coating, Chin Yuan remains as one of the top manufacturer of bolts and nuts.