Shanghai DuoNai fitting Limited company Is specialized in pressure piping components of product development, design, production and sale of one of the modern enterprise, established in 2003, located in jiading district, Shanghai silver margin road, the annual production capacity of 8000 tons. Products are exported to Europe, America, Japan, Russia, Ukraine, the Middle East, and a lot to be used for domestic key projects.
Enterprise has forged, forging, cold forming, hot push-pull, etc. Various kinds of today's advanced machining production line, the main production flange series, elbow bend pipe series, the three links series, reducer pipe series, the cap series, forging the socket weld, thread pipe fittings series, the products mainly USES the carbon steel (# 20, A105, A106, 20 G, Q235, 16 Mn), austenitic stainless steel (304, 304, 316 L, 316 L, 321), alloy steel (12 Cr1MoV, Cr5Mo, 10 CrMo910, 15 CrMo, ASTM A2