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;...