Cangzhou Datang Steel Pipe Co., Ltd will strictly control the product quality and sincerely serve you.Production quality has always been at the top of our priority list. Our workshops are equipped with advanced processing and testing instruments including the X-ray detector, ultrasonic flaw detector, hydrostatic testing machine, tensile testing machine, metallographic analysis meter, etc. The quality consistency of our products has passed the rigorous inspection of organizations such as TUV, DNV, BV, SGS.