Nowadays, Hunan Great Steel Pipe Co.,Ltd has been granted a number of acceptance certificates issued by several domestic and international institutions. Such as:
CE
CE
ISO
SGS
TUV
Hunan Great Steel Pipe Co.,Ltd
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.