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PTFE sealing gasket PTFE O-type gasket sealing ring mechanical seals customized -
MC Nylon board wear resistant casting nylon board impact zero cutting processing multi-specification customization -
Factory wholesale PTFE pipe valve pipe fittings joint PTFE customized wholesale -
Gear tetrafluoroethylene sealing ring gasket tetrafluoroethylene sealing ring many specifications customized processing -
PTFE Gasket Packed Gasket White Transparent Interface Gasket Rectangular Gasket -
Deweilong 47 valve seat sealing PTFE sealing ring non-standard special-shaped parts processing custom -
Devlon gaskets non-standard custom processing PTFE gaskets -
PEEK/PTFE polyether ether ketone PTFE seal gasket Large amount of custom wholesale discount -
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White PTFE Washer O PTFE Washer Tetrafluoro Washer Seals Round Washer