General Projects: Landscape gardening construction; earthwork and rockfill construction; overseas contracting projects; rental of construction machinery and equipment; engineering management services; sales of agricultural and sideline products; sales of building materials; sales of plastic products; sales of rubber products; sales of ecological environment materials; sales of engineering plastics and synthetic resins; sales of water transportation equipment; sales of underwater systems and operational equipment; sales of gift flowers; sales of professional machinery for agriculture, forestry, animal husbandry, aquaculture, and sideline occupations; sales of horticultural products; building cleaning services; urban greening management; water pollution treatment; water environmental pollution prevention and control services; natural ecosystem protection and management; ecological restoration and ecological protection services; flower cultivation; horticultural product cultivation; cu...