The registration address of dong chong gas equipment limited is located in room 101, no. 28, fengquang city, dong chong city, guangdong province. The registration authority is the market supervision authority of dong chong city, represented by a legal person, wu dong ping, and its operations include the installation of gas combustion equipment and the maintenance of gas combustion equipment; the development, production, sale, installation of general mechanical equipment; and the design and construction of construction works (the design of gas pipelines). (projects subject to legal approval to operate with the approval of the relevant department)