The registration address of sung-sung advertising equipment ltd. Is located in china's (sichuan) free trade test zone, sector 236 (self-declaring) of west waterport boulevard, west waterway road, west waterway street, in china (sichuan), with the registration authority of sung-shang-sung city's dual-trop area market supervision authority, represented by a legal person, and includes mechanical equipment, computer external facilities, computer software and hardware, electronics, mechanical and electrical products, research and development, sale, carving machines, engraving machines, typewriters and related parts, equipment, and bulk distribution of consumables. (projects subject to legal approval are not allowed to operate without the approval of the relevant authorities)。