SWING

[ operation of waterworks facilities and sewage facilities for others; operation of sludge disposal facilities for others; operation of waste disposal facilities for others ]

[ Construction of buildings; building construction supervision; construction consultancy services; construction of water treatment facilities; ] repair and maintenance of water treatment facilities and water treatment apparatus; repair and maintenance of waterworks facilities and sewage facilities; repair and maintenance of wastewater treatment apparatus; repair and maintenance of sludge disposal facilities and sludge disposal equipment [ ; repair and maintenance of waste disposal facilities and waste disposal machines ]

Water treating; water treatment and purification [ ; destruction of waste and trash; waste management ]

[ Construction drafting; architectural consultation; ] engineering; design and engineering of water treatment facilities; design and engineering of waterworks facilities and sewage plants; design and engineering of sludge disposal facilities; [ design and engineering of waste disposal facilities; ] designing of water treatment apparatus; designing of wastewater treatment apparatus; designing of sludge disposal equipment; [ designing of waste disposal machines; ] designing of machines, apparatus, instruments, and parts therefor or system composed of such machines, apparatus and instruments [ ; environmental assessment services ]