... , Weight: from 100 to 22000kgs we design and manufacture and supply the kinds of forged rolls, and we have exported these mill rollers many ... years,we can supply the centrofugal casting rollers, and forged rollers, and welding rollers1) forged rollers: material: Cr12, GCr15, 9Cr2Mo, Cr12MoV, 42CrMoV, 150CrNiMo ...