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Teflon O-Ring, Ptfe O-Ring 2009-12-1 Teflon O-ring, PTFE O-ring main type: AS 568 Teflon O-ring, JIS PG Teflon O-ring, GB Teflon O-ring,... Teflon O-ring, PTFE O-ring Liji Rubber O Ring Production Factory Contact Now Contact Info