V-FOLD

Sewage treatment apparatus, namely press rollers, clarifiers, digesters, distributors, filters, stirrers, hyperboloid stirrers, drawing devices for stirrers, submersed motors or stirrers, fillings for tickling filters, sewage and sludge pumps, grinder pumps, screens, settlers, sludge mixers and tanks, agitators, cranes and power lifts, centrifugal blowers, and aerators, all for use in the automatic operation of sewage clarification plants and wastewater treatment plants; belt thickeners; belt filter presses; and dewatering pumps

Sewage treatment plants and waste water treatment purification units

Construction of sewage treatment plants and waste water purification units