G80 Chain Zhejiang Wuyi Machinery Co., Ltd. Base Info Model NO.:G80Usage:Transportation ChainColor:Black FinishedStructure (for Chain):Rings ChainTrademark:SHUANG GESpecification:CE&GS by TUVOrigin:China Description Pre:DIN5299d Carbiner with Nut Next:Press Button Torsion Spring Pressure Button Switch Spring / Black Powder Coated Torsion Spring Manufacturer /SUS304 Stamping Tension Coil Spring