... DIN22252-1/2mining chainSize:14*50,18*64,22*86,26*92,30*108,34*128we got ... ISO9001:2008 and factoryG80 chain,mining chain,competitive price and best quality,ISO9001-2000,GL ... ,ABS,CE CERT1. The dimension and properties completelyconform to grade B or C requirements ... specified in the National Standard GB/T12718 and DIN22252-1/22. Material:high-quality alloy steel(Din 17115 ...