Tianjin Runtong Petroleum Equipment Co., Ltd isin the incorporation of science, industry and tradea comprehensive stock company with import and export power independently. This company is located in Tianjin Beichen Industrial developing zone,there is only 14miles to get to the Tianjin airport , and near to the expressways of JingFu,JingHa,JingYu. It takes 40minutes to arrive Tianjin Port from the company, no matter by the waterway , land way or air traffic are all convenient .our company takes up the whole area of 93380 m2, including building area of 10000 m2,150 staff members and complete production equipment. Company engaged in research, development and production & managements of the artesian well control devices, new-type energy-conservations oil pump and old-machine rebuilding, the erosion-resistance and dirty-proof of petroleum special-purpose tubular products.Runtong has strong produce ability and the output of pumping unit is planed 2000 per year. The company has already passed ISO 9001-2000 quality system authentication in 2002.In recent years, in order to improve the key competitiveness of technology, we have invited many well-known experts with abundant practical experience in the petroleum trade and outstanding scientific achievements and professional graduation came from specialized universities and colleges to set up the scientific research department of working on technical problems. In the company, we have four intellectuals with high titles and six senior technical managers. The step-type age system and knowledge structure have formed the association of tackling key problems with rich experience, strong technology and stalwart working. They looked for the study subjects working in the oil fields, and make development according to the demand, and created out the energy-conservations oil pump of CZ No. 123637, characteristics-changing FRP liner compound tube , SB series of sand pump