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, ST37, ST37.4, ST45, ST52, SAE1010, SAE1018, SAE1020, SAE1045, etc The manufacturing standards: DIN2391, DIN17175, DIN73000, DIN-EN10305-1, ASTM A500, ASTM A519, ASTM A213 etc Ranges: out diameter: 4--130, wall thickness: 0.5--16mm Stainless steel materials: Astm 304, Astm304L, Astm321, Astm316, and Astm316Letc The manufacturing standards are: Astma269, Astma213, Astma312, Astma213, and Astma511etc Ranges: out diameter: 3--274mm, and wall thickness: 0.5--30mm Capacity: the capacity is up to2, 000 tons per month</p>