webbing connecting link 1,material:alloy steel,carbon steel,45Cro,35Cro 2,type:chain sling 3,standard:EUROPEAN TYPE, ... TYPE, JIS TYPE2) GRADE: G100 G80 G70 G433) MATERIAL: ALLOY STEEL, CARBON STEEL, STAINLESS STEEL,23MnCrNiMo54, 20CrNiMo, 35CrMo, 40Cr, Q235, 20Mn2, 45#4) SURFACE ...