SDF ball valves

SDF.SDF Corporation was established in 1996 and registered in Qingpu District, Shanghai. As one of China's earliest valve manufacturers to obtain triple certification for quality, environmental, and occupational health and safety management systems, the company holds Class A1, A2, and B production licenses for special equipment (covering gate valves, globe valves, ball valves, butterfly valves, and other types) and possesses multiple international certifications including API and EU CE. The company possesses comprehensive modern testing capabilities, including spectroscopy, metallography, and non-destructive testing (PT/UT/RT/MT, etc.). It conducts full-scale factory and type testing for valves, performing specialized tests such as high/low temperature, fire resistance, low leakage, life cycle, flow rate, and vacuum testing. These testing processes are third-party certified. The product line encompasses gate valves, globe valves, check valves, ball valves, butterfly valves, control valves, steam traps, and instrument valves.