Research and development of new energy technology, technical consulting; design, manufacturing, and sales of environmental protection equipment; manufacturing and sales of landscaping equipment, compartments, tanks, garbage bins and trash cans for sanitation vehicles, special equipment for automobile production, and environmental protection special equipment; wholesale and retail of environmental protection equipment and automotive parts; sales of special-purpose vehicles, sanitation vehicles, electric vehicles, automobile chassis, engineering machinery, general mechanical equipment, and electrical mechanical equipment; installation services for electromechanical equipment; professional contracting of electromechanical equipment installation engineering; repair services for general equipment; motor vehicle repair operations; leasing of automobiles and mechanical equipment (the above operations do not include leasing with operators or automobile financial leasing); road transport agency; urban domestic waste cleaning, collection, and transportation services. (The above operations do not involve special equipment manufacturing, installation, or repair, and do not include projects restricted, prohibited, or requiring prior approval by the state; for projects requiring licensing, operations must be carried out after obtaining permission from relevant authorities.)