Water Treatment: UV Technology; Separation Technology; Reverse Osmosis; Activated Carbon; Membrane; 

Filtration Equipment; Chemical Water Treatment; Biological Water Treatment; Sewage Water Treatment; 

Sewage Treatment; ; Water treatment equipment; sludge treatment; pressure vessel / centrifuge end of 

the water purification system: drinking fountains and coolers; water filters; bottled water equipment process 

control technology and process automation: automated systems; computer simulation system; Detection instruments;