... as the customer's request. 3.press:250T-1000T Product: Drilling spare parts ,forged blank ,professional forging parts manufacturer. Our company ... .StandardsASTM, ASME, AISI, API, UNI, DIN, SIS and EURONORMMachiningturning, milling, drilling, grinding, threading, CNC machining etc. Surface Finishingsand blasting, polishing, plating ... from the world come to visit and inquiry with us. Drilling spare parts