General valve and cock manufacturing (excluding special equipment manufacturing), valve and cock sales, valve and cock research and development, pump and vacuum equipment manufacturing, pump and vacuum equipment sales, hardware product manufacturing, hardware product wholesale, hardware product retail, hardware product research and development, general equipment manufacturing (excluding special equipment manufacturing), general equipment repair, special equipment manufacturing (excluding licensed professional equipment manufacturing), special equipment repair, mechanical equipment sales, special equipment sales, mechanical equipment research and development, hydraulic power machinery and component manufacturing, hydraulic power machinery and component sales, pneumatic power machinery and component manufacturing, pneumatic power machinery and component sales, water turbine and auxiliary machinery manufacturing, technical services, technology development, technical consulting, technical exchange, technology transfer, technology promotion, engineering technical services (excluding planning management, survey, design, and supervision), transportation cargo packaging services, road freight transport for vehicles with total mass of 4.5 tons or less (excluding network freight and dangerous goods), general cargo warehousing services (excluding hazardous chemicals and other items requiring licensing approval).