The registered address of chongqing three-metre oil filter company ltd. Is located at the 126th and 15th accompaniment 1st south avenue (3rd floor, 3nd floor, since no. 38), located on the street of the hanqing district, and is represented by a legal person, chen min, who operates on general items: gas, liquid separation and pure equipment manufacturing; sale of gas, liquid separation and pure equipment; manufacture of mechanical and electrical equipment; sale of specialized equipment for environmental protection; manufacture of equipment for environmental protection; sale of pumps and vacuum equipment; manufacture of pumps and vacuum equipment; installation services for general mechanical equipment; sale of mechanical and electrical equipment; research and development of machinery equipment; sale of instrument instruments; sale of electrical equipment; manufacture of metal tools; water pollution management; technical services, technical advice, technology exchange, technology transfer and technology promotion; processing of mechanical spare parts, spare parts; retailing of hardware products; development of hardware products; electrical and cable operations; sale of mechanical equipment; rental of goods; export and import and export of technology. (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)