北京市华建机械制造有限公司
Beijing China builds machinery manufacturing co., LTD. Founded in 1993, is a professional enterprise of oil drilling equipment research and development production, the main production shaft wall impingement core special complete sets of equipment, our company for borehole wall impingement core to carry on the specialized research and development, in the project invested a lot of manpower material resources, and got good grades, and got 2 invention patents, new utility model 7 and 5 patents of invention in the application of products in shengli oilfield, dagang oilfield, huabei oilfield, daqing oilfield, and other fields to promote and use, and widespread praise and trust! Each large oil field is based on our trust, and also entrusted us with many product development projects to develop and
Website：http://www.hj3g.com/