Carbon steel casting 1, OEM SERVICES FOR CASTING PARTS 2, ISO 9001:2000 3, ... ACCORDING TO CUSTOMERS DRAWINGSALLOY STEEL/HI-ALLOY(HIGH MANGANESE STEEL)CARBON STEELREFRACTORY STEELSTAINLESS STEELIRONDUCTILE IRONBRASS/COPPER/BRONZEANY OTHER MATERIALS ACCORDING TO ... , CNC milling, threading, tapping, drilling, etc.Certificate: ISO 9001:2000 Carbon steel casting