Tianjin Lvqing Pipeline Technology Co., Ltd. is a state-level high-tech enterprise which integrates R & D, production, trade and engineering technical services, which is mainly engaged in the production of oil and gas pipeline cleaning, testing and maintenance equipment. The company specializes in the production pipeline pig, detector, with pressure plugging equipment, tank automatic cleaning equipment and the corresponding spare parts, while the contract pipeline installation, change line, pigging, pressure test, dry, inside and outside the pipeline testing, Transmission openings, sealing, dimensional repair and tank cleaning and other technical services and engineering.