Shijiazhuang Donghuan Malleable Iron Castings Co., Ltd.

"Our products have precise sized, better mechanical behavior and tightness, and used widely in the pipe linkage of gas, water, electricity and oil

Our products have precise sized,, better mechanical behavior and tightness, and used widely in the pipe linkage of gas, water, electricity and oil. Th

We have two kinds of flanges, one is galvanized, the other one is black. Our flanges have precise sized, better mechanical behavior and tightness, and

Our products have precise sized, better mechanical behavior and tightness, and used widely in the pipe linkage of gas, water, electricity and xxxxx ma

Our products have precise sized, better mechanical behavior and tightness, and used widely in the pipe linkage of gas, water, electricity and material