Netsol Water Compact Sewage Treatment Plant Manufacturers and distributed by Netsol Noida, Delhi, India, are prefabricated solutions, delivered to the customer able to install as Plug & Play and prepared for use. Netsol small sewage and wastewater treatment plants, & other similar products are internationally certified in line with the very best standards. The systems are packaged in cylindrical a polymer of propylene used as a thermoplastic molding material (polypropylene) containers and may be delivered with phosphorous removal kits UV-tertiary handling units.