فلنج صفحه چین / تولید کننده و تامین کننده فلنج تخت |DHDZ
Plate Flange/ Flat Flange Manufacturer in Shanxi and Shanghai, China Plate flat flanges are the most common flanges. Insert the end of pipe into the flange. Plate flat flange and pipe are contacted by welding . Then 2 pipes are …