Yantai ETDZ Xinyuan Material Co., Ltd., is one wholly owned subsidiary of Haiyang Group. The whole group include three factroy and two trade company. Our company is one of the largest suppliers & exporters of seamless steel pipes/tubes and piling parts. We are exporting all kinds of seamless steel pipes, piling pipes and piling parts to the whole world. Our factory started producing seamless steel pipes from 1958. There are 3 hot-rolling and 2 cold-drawn production lines in our factory. More than 450,000 metric tons of seamless steel pipes and tubes, with at least 10 varieties and 1,000 nominal sizes, are manufactured annually. They are pipes and tubes for high pressure boilers, casing and tubing, line pipes, ships, low and medium pressure boilers, structural purposes, petroleum cracking, hydraulic pillar service, and so on. Their outside diameter ranges from 6mm to 630mm and wall thickness ranges from 1mm to 50mm, with the length (max.) being 15 meters. We have our own know-how and intellectual property rights which can meet different requirements of customers. Precise analysis devices, state-of-the-art on-line NDT facilities and reliable quality control systems can guarantee the quality to the utmost extent. All of them are in conformity with the requirements of National or International standards. Our Machine part factory has technical professionals, skilled workers and many sets of homemade, America-made and Japan-made numerical control machine tools and test equipment. We can produce all kinds of joints, rock shoes (pile shoes) and other piling or machine parts. Our loading system started working in January, 2011. At present, we can supply our customers with piling pipes, joints and rock shoes (pile shoes). We sincerely hope to cooperate with all customers. Please contact us for more details.