... valves forging Forged valves,gate valve,brass ball valve,flange valve,water valve,control valveOur company specialize in manufacturing all items of forging products, including the ... will track the samples with whole range.StandardsASTM, ASME, AISI, API, UNI, DIN, SIS and EURONORMMachiningturning, milling, drilling, grinding, threading, CNC ...