... of the high strength magnesium aluminum alloy;2).the chain is made of the high strength steel alloy;3). ... fields such as electrical power,ship building,transportation,building construction, mining,communication, as well as lifting, pulling. 2). It enjoys ... work . Technical Data: ModelWorking Capacity(ton)RunningTest Load(ton)Chain Diameter(mm)Contraction Distance(mm)Stretch Distance(mm)Standard Lift ...