Good Machining & Heat Treatment Abilities Strict Quality Control Prompt Delivery date We are manufacturer and supplier of ... forgings, including forged ring, flange, shafts, tube sheet, and valve parts etc. Our products are in full compliance with ANSI, API ... /F22/LF2/F1/25CrMo4/42CrMo/17CrNiMo6/347H/304 ASTM DIN high quality Forged Hollows tube, bar,pipe