General equipment manufacturing (excluding special equipment manufacturing); gear and gear reduction and transmission manufacturing; gear and gear reduction and transmission sales; bearing, gear, and transmission component manufacturing; bearing, gear, and transmission component sales; general mechanical equipment installation services; general equipment repair; metal structure manufacturing; engineering technical services (excluding planning management, survey, design, and supervision); shoe manufacturing; labor protection product production; labor protection product sales; road freight transport of ordinary trucks with a total mass of 4.5 tons or less (excluding online freight and dangerous goods); daily-use department store sales; fabric textile processing; petroleum drilling and production special equipment manufacturing; petroleum drilling and production special equipment sales; metal product sales; metal chain and other metal product manufacturing; environmental sanitation public facility installation services; automotive decoration product sales. Permitted items: road freight transport (excluding dangerous goods).