GRENEX LIMITED is a leading Korean company in the environmental industry. Established in February 2000, the company has designed and developed a range of filtration products and treatment systems for the Korean and world markets. These products are innovative and cost competitive.
Grenex design and manufacture performance-proven, quality products and systems, that are adaptable to the changing demands of the water and wastewater treatment industry. Our markets range from small to medium sized municipalities to large metropolitan areas, treating both domestic and industrial wastewater streams and solid waste.
The scope of Grenex services is greatly diversified, ranging from turn-key basis contracts of plant and facilities, to more specialized contracts for specific feasibility studies, planning, design, equipment procurement, construction, operation and training services in Korea and foreign countries throughout the Asian region.

We combine our experience with proven technologies in biological processes and filtration to meet a range of treatment objectives and wastewater solutions.

The Jinan facility is located 200km south of Seoul and was constructed in 2005. A modern facility that was purpose built designed for the fabrication and assembly of filtration, mixing, aeration and associated equipment. The facility has a modern office and administration building with a conference room for training and seminars. A modern and well equipped laboratory for research and undertaking pilot studies for filtration on a wide range of waste products. Pilot plant filtration units for also located on the site.