Centerway has leading technology of steel pipe production and research  at home and abroad, advanced and complete testing facilities .We strictly in accordance with theISO 9001 quality management systemfor on-site management, has obtained ISO 9001, ISO 14001, ISO 45001, CE, AAA-level credit rating certification, etc. Our products have been inspected and approved by SGS, BV, MOODY, TUBOSCOPE and other international authoritative third-party organizations