It has been known that the national standard flange, the flange material and workmanship are in line with national standards. The national standard flange (English standard flange) refers to the flang...
Penglai Huande steel valve Co.,Ltd exports ANSI 2 piece flange ball valve. The American standard flange is a part that connects the pipe and the pipe and is connected to the pipe end. There are holes ...
We use wax injection and de-wax craftwork to produce the precision casting 1 PC internal thread reduced bore ball valve, which allows the product with zero detect and sells well in the global world. U...
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