Dingjiabang (Shanghai) Valve Co., Ltd. is a modern professional valve manufacturing enterprise integrating research, development, production, and sales. It is a member of the China Valve Association, a joint enterprise of China's shipbuilding industry, a unit of the China Marine Machinery Standardization Technical Committee, and a member of the National Valve Standardization Technical Committee. The company possesses strong technical capabilities, rich design experience, excellent production equipment, advanced manufacturing processes, comprehensive testing methods, and a rigorous operational system. Strict management fosters high-quality and reliable products. The company's products are manufactured in accordance with technical standards and drawings such as Chinese National Standard GB, Ministry Standards CB and JB, Japanese Standard JIS, American Standard API, German Standard DIN, and foreign trade standard CBM. The current product range includes over 200 series and more than 2,000 specifications. The company primarily produces products ranging from DN6 to DN2900, with pressure ratings from PN0.1MPa to 80MPa. Main varieties include: marine butterfly valves, globe valves, gate valves, ball valves, needle valves, control valves, throttle valves, plunger valves, check valves, safety valves, pressure reducing valves, self-closing valves, quick-closing valves, stop-check valves, hose valves, plug valves, mud boxes, sea valves, seawater filters, oil filters, anti-slam valves, air caps, sounding self-closing valves, hydraulic control valves, marine valves, and high-temperature high-pressure power station valves. Valve body materials include: carbon steel, cast iron, stainless steel, low-temperature steel, bronze, brass, forged steel, alloy steel, duplex stainless steel, etc. Sealing surface materials include copper alloy, carburized steel, hard alloy, rubber plastic, duplex stainless steel, PTFE soft and hard seals, adaptable to chemicals or different media requirements. It is a specialized manufacturer for systematic supporting of desulfurization towers and ballast tanks.
The company can provide factory approvals and corresponding product certificates from classification societies such as China "CCS", Germany "GL", UK "LR", Norway "DNV", France "BV", Italy "RINA", USA "ABS", Japan "NK", and Korea "KR".