Beijing Kaiyuan Steel Co., Ltd.   

        I is a seamless pipe circulation of large enterprises, annual sales of Chengdu, Tianjin, Hengyang, Anshan and other several major steel producing seamless steel pipe: 10#, 20#, 35#, 45#, high pressure boiler tube GB5310-95, GB6479-86 special fertilizer pipe, oil cracking tube of oil drill pipe GB9948-88, YB528-65, YB235-70 for geological drilling, ship tube, tube 27SiMn hydraulic support, fluid pipe, GB8163 - 1999, GB3087 - 1999, GB8162 - 1999 tube structure, all kinds of alloy tubes 16Mn, 15CrMo, 12CrMoIV, 10CrMo910,35CrMo etc.. GB / T36392000 precision tube. Special supply of large caliber thick wall seamless steel pipe. The company in line with maximum profits and customer tenet, successively and the major thermal power plant, boiler plant, chemical plant, machinery plant of Huabei Oilfield, the majority of dealers, have established a stable supply relationship, welcome to contact us, come to negotiate!!!

Shoes