COEN Yapı; It provides effective treatment of industrial and domestic wastewater with its advanced technology treatment systems. In our projects, we protect the environment and human health by minimizing the reuse of wastewater and its release into nature. COEN Yapı, with its expert staff in the field, provides services in the fields of project design of Wastewater Treatment Plants, provincial environmental directorate approvals, on-site installation, commissioning, maintenance and repairs.