Supplier: PTFE, wind sealing spacer, PTFE gasket, PTFE ballvalveseat and valve stem sealing gasket, degreased unsintered tape, PTFE braid (soaked), PTFE & polypropylene compound pipes and fittings with steel linings, piston ring, f4 accessories for compressers, oxygen makers, and other machineries, macromolecule material poducts