... , medium link chain, long link chain, American Standard link chain (ASTM1980, NACM1990, NACM1996/NACM2003), Germany Standard link chain(DIN5685A/C short/long link ... chain, DIN763/DIN764, DIN766) Australian Standard, Japan Standard, Korea Standard, Norwegian Standard link chain; 3)Grade: G30, G43, G70, G80 ...