Mine supply groove tube - mine fittings, pipe trench mining, mining clamp fittings, high pressure pipe mine cards Xuqiang Machinery Co. coal mine in the mass production of high-pressure fittings grooved fast | Flexible | rigid tube cards, mine elbow, tee pipe fittings. Meet the different pressure conditions, pipe card material QT450-12, all products perform GB GB5135.11-2006 processing, now throughout the various coal mines in Shanxi, Shandong, Inner Mongolia, Henan, Yunnan, product quality and reasonable price. June 2010, the company mine grooved fittings products successfully completed a national survey report version of the work. At this point, I really have to be the only domestic pressure levels above 4.0Mpa type inspection report, a full sense of the manufacturers. Chengzhao agents, welcomed the talks! Original URL: http://www.wfxuqiang.com/pro/37.aspx low-pressure pipe with a plug-in card http://www.wfxuqiang.com/msllf/65.aspx mine quick connector http://www.wfxuqiang. com/msllf/64.aspx mine shoulder quick fittings http://www.wfxuqiang.com/msllf/63.aspx