In shenzhen city, the registered address of ottowell technology ltd. Is located in 704 red hills, 7705, 706 red hills and 792nd streets in the runghua neighbourhood of shenzhen city, with legal representation at shenzhen city market supervision authority and general operating projects: domestic trade; operation of import and export operations; design, construction of petrochemical construction works; construction and design of smart automation works; integration of computer automated systems; software development and maintenance, up-to-door testing and installation; information technology consultancy; production of gas separation technology, gas purification technology, oxygen production technology, waste gas treatment and recovery technology, sewage treatment technology, liquid separation clean-up technology, waste oil treatment and biodiesel technology, refrigeration (heated) unit-related technology, new energy and clean energy technologies, development and related equipment sale; manufacture of gas, liquid separation and pure equipment; manufacture of oil refining equipment, specialized in manufacturing; sale of gas, liquid separation and pure equipment; sale of refined oil and chemical equipment; and development of essential equipment for thermal production of electricity. (in addition to projects subject to legal authorization, operating on an autonomous basis and in accordance with a legal licence) licensed to operate projects: instrumentation, automation equipment, electronic products, stationery daily products, technological development and marketing of electromechanical and electrical products, and production; sale of labour-insurance supplies; production and sale of fluid-handling arms, mobility ladders, diskette mechanical assembly platforms, oil and gas recovery equipment; production and sale of sleigh-mounted quantitative vehicle control systems; valves, flow meters, indexometers, video surveillance products, development, design, production and manufacture of perimeter alarm products, and development and production of robotic technology. (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)