The registered address of hcc's smart technology ltd. Is at hcc. The registration authority is the market supervisory authority for the zhuihai district, represented by chen liqing, which operates in the areas of smart automatic doors and windows, special doors and windows, industrial doors, design, installation and sale of metal products and accessories; and the design, installation, maintenance and development of electronic safety technologies for preventive engineering. (projects subject to legal approval may not operate without the approval of the relevant department)