- Installation, maintenance, and operation of industrial wastewater treatment and domestic wastewater.
- Installation, maintenance of domestic water treatment.
- Installation, maintenance of boiler feed water treatment.
- Installation, maintenance of cooling tower water treatment, closed-loop cooling system water, swimming pool water.
- Installation, maintenance of pure water treatment, bottled pure water.
- Installation, maintenance of industrial well water treatment.
- Installation, maintenance of refrigeration systems, electrical systems, generators,..
