Our company is a professional manufacturer for HF square tube, combining with rolling, slitting, cold roll, welding; the each type of HF square tubes made by fine band steel through advanced equipments are of high quality; the annual output can be 50000 to 80000 ton. Products are complete in specification and widely applied in water supply, construction racks, machinery etc. Products comply with national standard; meanwhile, we can also make pipes as the customers’ requirements.