General items for hazardous chemicals operations: sales of specialty chemical products (excluding hazardous chemicals); sales of coatings (excluding hazardous chemicals); technology import and export; import and export agency; cargo import and export; non-residential real estate leasing; technical services, technology development, technical consulting, technology exchange, technology transfer, technology promotion; new material technology research and development; enterprise management consulting; machinery and equipment leasing; labor services (excluding labor dispatch); road cargo transportation for ordinary freight vehicles with a total mass of 4.5 tons or less (excluding online freight and dangerous goods).