Kringruiman (Beijing) International Investment Co., Ltd. is one of the branch of Hebei Xinyuantai Steel Pipe Group. It has two main factories to produce the products, including Hebei Litonglian Seamless Steel Pipe Co., Ltd, which is located in Cangzhou City, hometown of pipeline equipment in China. 200 Kilometers away from Beijing, capital city of China; 120 Kilometers away from TPCO, a globally famous steel pipe manufacturer; 120 Kilometers away from Tianjin Port, a major port in North China; Multi railway and highway run through Cangzhou City, a place with very convenient traffic.

Hebei Litonglian Seamless Steel Pipe Co., Ltd, is invested by XINYUANTAI STEEL PIPE GROUP, and HongKang ChengDa Company, has started designing and manufacturing Hot Rolled Seamless Steel Pipes in 2006, annual production capacity is 250, 000Tons. Outside Diameter Range of pipes is from 140-273mm(5inch-10inch), and Wall Thickness Range is from 6-40mm(SCH, STD, XS).

With Accu-Rolled seamless steel pipe production line, major manufacturing process includes: Taper Boring, Accu-Rolling and Three Roll Mini Tension Reducing process. The above process assures exactly sizing, also keeps high quality on internal and external surfaces.

Equipped with online ultrasonic detection system, eddy current detection system, magnetic leakage detection system; Also equipped with automatic length measuring, weighting, marking system; The advanced Heat Treatment Production Line, has imported Temperature Control System from Krom Schroder Germany; Imported patent product from Xian Heavy Machinery Institute, a significant pipe manufacturing equipment producer, in China. And imported online Ultrasonic Detection System, from Unicorn Company England, with multi-detecting capacity and covering the whole wall thickness testing for the pipe. Equipped with advanced manufacturing process, complete test and inspection system, strictly process control system has assured stable and high quality pipes being produced in our workshop. The pipes being designed and manufactured by our company have received API 5L, API 5CT, monogram certificates; ISO 9001 Quality Assurance Certificate; OHSAS 18001 Occupational Safety and Health Administration Certificate, ISO 14001 Environment Management Certificates, etc...