Rubber O-ring manufacturer of Yung Hua.
Yung Hua has tooled the entire world standard such as AS 568A, JIS B2401, and
Metric Standard O-Rings. Material are compounding according to ASTM D-2000
specifications, including. NBR, Silicone, Neoprene (CR), EPDM, SBR, and Viton
(FKM or FPM)
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