... Dia of load chain:6mm,8mm,10mm HSC Type Chain Pulley Block Grade A Chain 20Mn2 Capacity: 0.5~20tonDia of load ... chains:Lifting chain,Lashing chain,chains for ship,fishing chain,three-link chain for coal transfer,transport chain……Material:carbon steel ... welcome customers from all over the world. HSC Type Chain Pulley Block Grade A Chain 20Mn2