Carbon steel lost wax casting, machinery part Standard: JIS, DIN, ASTM, BS High quality, ... of auto, train, engineering, construction, chemical, metallurgy, and boat machinery. Material: Stainless steel / Carbon steel / Alloy steel etc.Process: ... turning, milling, drilling, grinding, threading, CNC machining etc.Finishing: sand blasting, polishing, plating, acid treatment, anodizing, painting and PVC ...