... years with good credit and competitive price.our main products are ptfe rod,sheet,skived,tube,pipe ... film,etc,together with hdpe,pp,pom,nylon rod and sheet.70% of our products are exported ... carbon,bronze.It will have good heat conductivity and low heat expansion coefficient.Application:It has ... of washer,valve,bearing,slide,pistonring,insulating sleeve, and self-lubricating seal. Colour white,black or ...