Zhangjiagang Huadian Import & Export Co., Ltd. is a company based in China. We have two subsidiary factories. One factory manufactures seamless steel tubes and the other makes power station equipment. We have regular business in U.S, U.K, France, Italy, Spain, Brazil, India etc and our products and service get good response from the market. The annual trade volume reaches around USD10million to 15 million. Introduction of steel tube business: The materials we use are: ST35, ST 35.8, ...