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Grenex was founded as a specialized environmental company in the water and wastewater industry in February 2000.
In the years since its founding, Grenex has supplied advanced biological treatment systems for municipal sewage and industrial wastewater plants. Biological Nutrient Removal(BNR) processes for total nitrogen and phosphorus removal have also been supplied. Other treatment processes we have supplied include highly efficient filtration plants, aeration and mixing equipment, drinking water treatment, wastewater treatment for municipal landfill leachate in Republic of Korea, China and Vietnam.
Our employees are working on the business principal that provides total service for customer satisfaction with an emphasis on supplying our customers with a superior product and technology.
The future continues to develop advanced technologies and products that will allow the company to become more active and successful in the world market.
Thank you for your continued support and advice.

Chung Chang (James) Kuk
CEO