粉嫩av国产一区二区三区,国产免费内射又粗又爽密桃视频,a片试看120分钟做受视频红杏,国产人妻人伦精品一区二区

PFA fusible polytetrafluoroethylene series
  • Fusible polytetrafluoroethylene (PFA) series

    It has excellent heat resistance, cold resistance, chemical stability, mechanical property, insulation, self-lubricating property, folding resistance, cracking resistance and so on. A total of 22 products of injection molding, extrusion, molding three series of nine colors.

    Packing: 25kg/ pack
First Previous 1 Next Last to

+86-0797-8210668

Home Product News Contact