The valves with top quality can be supplied the size from DN 1/2" to DN24" and the pressure from PN150lb to 4500lb. API code. Various models of valves which covered in the types of globe valves, gate valves, butterfly valve, check valves, diaphragm valves, ball valves, and instrument valves can be supplied accordance with the standard & code of GB,  ASME, API, ANSI, AWWA, DIN, BS, NF, JIS, IBR etc.. The pressure of the valves can be supplied from PN1.0MPa to PN42MPa, or PN150lb to PN4500lb. The size of the valves can be supplied from DN 1/2" to DN24" and more biger size (for special requirement). The material of the valves can be casting steel of WCB, WC1, C5, WC6, WC9, LCB, CF8, CFBM, CF3, CF3M, CN7M, CD-4MCu, M-30C and forgings of A105, F1, F5, F11, F22, LF1, 304, 316, 304L, 316L, B462, N08020, S32550, Fnalium255, No4400, No4405, K400, K500 etc.. The valves can be used for power plant, nuclear power plant, oil fields, chemical industrial plant, steel mill, food industrial plant etc..