zheheng steel is one incorporate of manufacturer, exporter ,consultant ,stockist company specialized in the area of stainless steel tubing , pipe fittings ,flanges and other stainless steel grade accessories . It is one-stop-shop company ,our team have more than 20 years experience in stainless steel field ,especially in heat exchanger tubing and large diameter pipes with ultra-long, ultra-thin, ultra-thick or ultra-large various and some special-purpose projects . Read MORE