stainless steel butterfly valves,ball valves,forged valves,steel flange,unions,ferrules We can manufacture these products ... and forging products for mechanical fields,including butterfly valves,ball valves,dirvet valve,sseptic gate valve,pneumatic double seat ball valve,triplet ball ... LGAZAK of Japan.The products are manufactured according to the industrial standard of ISO,DIN,IDF,SMS,and 3A.We can ...