Power generation business, power transmission business, power supply (distribution) business; road freight transport (excluding dangerous goods). General items: manufacturing of testing machines; manufacturing of special equipment (excluding licensed special equipment manufacturing); manufacturing of lightweight building materials; manufacturing of packaging special equipment; import and export of goods; import and export of technology; import and export agency; road freight transport of general cargo vehicles with a total mass of 4.5 tons or less (excluding online freight and dangerous goods); solar power generation technical services.