Welcome to I-GRREN. We were incorporated in Hanoi in 2016. We are a specialist turn-key contractor in the environmental engineering industry with particular strength and focus in providing integrated systems for water and wastewater treatment, and industrial air pollution control. We are capable of providing customized integrated environmental solutions to meet the specific requirements of customers in various industries. The integrated solutions include water and wastewater survey, wastewater characteristics study, process design and build, manufacturing of components, assembly of systems, overall management, engineering, testing, procurement and construction, operation, and after-sales maintenance and service.