... , 1.1168, SCMn3, 1.7220, SCCrM3, G35CrMo4,etc.; According to specification ASTM, DIN, JIS, BS, NF,ISO etc..Technical process includes ... wax casting(Investment castings), lost foam casting and shell-core casting. We have special engineers and technicians who have much ... , RT). We are always ready for supplying any products to oversea customers with excellent quality, timely delivery, reasonable price ...