Design, manufacture, installation, leasing, sales, and after-sales service of sanitation vehicles (including sweepers and hook-lift garbage trucks), environmental protection equipment (including garbage compression equipment, kitchen waste and perishable waste treatment equipment, water treatment equipment, deodorization equipment, sanitation equipment), sanitation machinery and parts, and traffic facilities; installation of electromechanical equipment; sales of engineering machinery; design and construction of environmental protection projects; commercial cleaning, collection, transportation, and treatment services for municipal solid waste; property management services. Licensed item: road cargo transport (excluding dangerous goods)