wenzhou sigma fluid equipment manufacturing co., ltd. is a manufacturer in wenzhou, zhejiang that produces and sells valves, pipe fittings, fluid equipment and accessories. the main products include valves, pressure reducing valves, ball valves, pressure reducing pilot valves, pressure relief pilot valves, and branch pipe pressure reducing valves.
culture, education and research
2000yx technical support: 1 longtian carbon materials 50 people
