Good Machining & Heat Treatment Abilities Strict Quality Control Prompt Delivery date We are manufacturer and supplier of ... are in full compliance with ANSI, API, ASME, BS, JIS, DIN,GOST,etc. standards. 1. Capacity: Material we do: carbon steel ... : A105/F22/LF2/F1/25CrMo4/42CrMo/17CrNiMo6/347H/304 ASTM DIN high quality Forged Hollows tube, bar,pipe