... parts 3.material: Carbon steel,alloy steel,stainless steel Product: CNC machining forging parts,machining Flanges Our company specialize in manufacturing ... , ASME, AISI, API, UNI, DIN, SIS and EURONORMMachiningturning, milling, drilling, grinding, threading, CNC machining etc. Surface Finishingsand blasting, polishing, plating, acid treatment ...