- ring teflon
- 2016-10-24 16:16
- Teflon Ring (PTFE)TEFLON PTFE (Polytetrafluoroethylene)PTFE (Teflon O Ring) is the mostly consumed category of florin pl
- plastic wheel
- 2016-10-23 08:43
- plastic wheel (MC Nylon) means Monomer Casting Nylon, is a kind of engineering plastics used in comprehensive industries