Low sales of seamless steel tubes welded pipe factory galvanized pipe

Smaller diameter pipe straight seam welding, large diameter spiral welded pipe for the more; press the pipe ends into the shape of a circular pipe and shaped (square, rectangle, etc.) pipe; Material and use different fluids into mine delivery welded steel pipe, low pressure fluid galvanized welded steel pipes, conveyor idlers welded steel pipe. According to the current national standard in the Size menu, press the outer diameter * thickness ascending order.