Hunan Great Steel Pipe Co.,Ltd is a world-class production and service provider of submerged arc straight seam welded pipe as the first subsidiary of Shinestar Group. Hunan Great Steel Pipe Co.,Ltd pays more attention to in the pipeline engineering research areas as a pioneer of China Petroleum Pipeline; Gas Pipeline Science Research Institute. Its worldwide network of business operations is not simply to accept standard marketing procedures, but strives to genuinely meet the needs of a highly d... Hunan Great Steel Pipe Co.,Ltd is a world-class production and service provider of submerged arc straight seam welded pipe as the first subsidiary of Shinestar Group. Hunan Great Steel Pipe Co.,Ltd pays more attention to in the pipeline engineering research areas as a pioneer of China Petroleum Pipeline; Gas Pipeline Science Research Institute. Its worldwide network of business operations is not simply to accept standard marketing procedures, but strives to genuinely meet the needs of a highly diversified clientele of each and every customer. To accomplish this, Hunan Great Steel Pipe Co.,ltd has steadily expanded the scope of its business activity.  More Less