Brief introduction of Cangzhou square pipe industry Co., Ltd.Professional production: seamless steel pipe, oil casing, precision steel tube, steel tube American Standard (ASTM), German standard (DIN),..

Brief introduction of Cangzhou square pipe industry Co., Ltd.Professional production: seamless steel pipe, oil casing, precision steel tube, steel tube American Standard (ASTM), German standard (DIN),..

Specialized production of carbon steel seamless steel..

Specialized production of carbon steel seamless steel..

American Standard seamless steel tube, export packaging, scale, paint, groove..

American Standard seamless steel tube, export packaging, scale, paint, groove..

American Standard seamless steel tube, export packaging, scale, paint, groove..

Brief introduction of state city square pipe industry Co., Ltd.Professional production: seamless steel pipe, oil casing, precision steel tube, steel tube American Standard (ASTM), German standard (DIN..

Professional production of 20# carbon steel seamless steel pipe, specifications: outer diameter 21-610, wall thickness of 1-3..