Lumber Conveyor Chaim 1.40Mn, 45Mn quality alloy steel 2.carbonized harden 3.competitive price 4.trend to long cooperation Lumber Conveyor Chain1)Model number:81X,81XH,81XHH,81XHS,500R,3939,Sharp top chains2)Colors available:natural,yellow,blue,black3)Material:carbon steelSPECIFICATION:PACKING: Lumber Conveyor Chaim