... ASTM standard(G30, G43, G70, G80) ect 2.SS316/SS304 or carbon G80 black link chainWe could supply carbon steel ... DIN763(DIN5685C), DIN766(DIN5685A), Australian type, ASTM standard(G30, G43, G70, G80) , Norwegian type, Korean type, US type, double loop chain, DIN5686 knotted ... chain, Japanese type and so on 4) ...