Creating the best valve products has always been our pursuit and goal! DZ is a national high-tech enterprise specializing in the research and development, manufacturing and sales of valves. It mainly produces hook valves, cast iron valves, stainless steel and cast steel valves, manifolds and pipe fittings and other products. It has copper valve production bases and cast steel and cast iron valve production bases in Zhejiang and Tianjin, with an annual output of 2.1 million sets.
