... for pipinggeneral pipe for piping(drinking water pipe), mechanical construction/liquid transfer pipe, boiler heat exchange tube, food hygiene pipe ... , medicine ect, where the pipe is required comparative high liquid medium.Seamless steel pipeStainless seamless steel pipes are strip steels ... steel, channel steel, PC steel bar, flat, bulb flat, coil steel, I-beam, H-beam, square tube, rectangular tube, L ...