ductile iron casting with 100%pressure test, certified by ISO, TUV-PED, BV We manufacture customized products ... client's requirement.1, Lose Wax Process(soluble glass): wax injection, wax welding, dipping, sand-coating, shell-making, dewaxing, cleaning, pouring ... , production capacity: more than 10,000MT per year.7, Perfect test facilities, inspection report and material certificate can be provided.8 ...