Effluent Treatment plant wth ZLD Manufacturer in Faridabad. ECO PRO TECH is the largest Manufacturer of Sewerage Treatment plant with MBR in Noida । . Manufacturer of Result oriented E.T.P & amp; amp; STP Plant from Ghaziabad to Aligarh to by ECO PRO TECH. ECO PRO TECH means Solution for waste water and Air Pollution.