Changzhou Tenjan Steel Tube Co., Ltd. is a professional manufacturer of cold drawn seamless steel pipes located in Zhenxi Industrial Park, Henglin Town, Changzhou City, Jiangsu Province, China. It only takes 1.5 hours to Shanghai by train or car. The transportation is very convenient. Our company was established in 2004. With high technology and advanced equipment, we have the annual production capacity of more than 30,000 tons. We are engaged in manufacturing and selling cold drawn seamless ...