STP manufacture & supplier in Gurgaon by Eco Pro Tech. Compact Type ETP manufacturers and Installers in Ghaziabad. ECO PRO TECH in Faridabad is a leading waste water solutions providing company with the most advanced technology, sustainable and Economical E.T.P & S.T.P Plant for all sectors.we also provide waste water recycling plants and zeero liquid discharge system to our clients from Noida to Aligarh.