Zhejiang Dingxin Steel Tube Manufacturing Co., Ltd is located in Haiyan County, Zhejiang Province. It is only 100 kilometers to Shanghai and no more than 80 kilometers to Hangzhou. Our company is specialized in the supply of various Cold-drawn Precision Seamless Steel Tube . The products are widely used in the automotive industry, agricultural machinery, engineering machinery, nuclear power industry, shipping industry , etc. Such as Auto part, Auto liners,soil tank of jack、oil tank of lifting、 electrical Crust、liquid tank of compressor、tunnel and machinery project 、normal and low pressure boiler、heat exchanger and condenser etc.