rhino@nbrhino.com
+86-574-62853123
EPDM Bonded Washer Norm : ASTM F844 SAE, USS Grade : SS201, SS304, SS316, A2-70, A2-80, A4-80, 4.8 6.8 8.8 10.9 12.9 Surface : Plain, Black, Zinc Plated, HDG