Home appliance manufacturing; clock and timing instrument manufacturing; clock and timing instrument sales; motor manufacturing; pump and vacuum equipment manufacturing; pump and vacuum equipment sales; home appliance parts sales; other electronic device manufacturing; plastic product manufacturing; plastic product sales; hardware product manufacturing; industrial robot manufacturing; automotive parts and accessories manufacturing; special equipment manufacturing (excluding licensed special equipment manufacturing); road freight transport for ordinary trucks with a total mass of 4.5 tons or less (excluding network freight and dangerous goods); technology import and export; domestic trade agency.