ETP & STP manufacture and Supplier in Noida by Eco Pro Tech. STP with MBR Manufacturers and Installers in Gurgaon. ECO PRO TECH is one of the fastest growing wastewater Recycling Company in India. The effluent treatment plants and sewage treatment plants are their main products . The main aim of this company is to achieve higher customer satisfaction by providing best quality products and services from Gurugram to Aligarh.