In August 2010, GreenTech Water Engineering Co., Ltd.won the bidding for Gaoyang Combined membrane reclaimed water project.

Gao Yang is a textile town. The End-User is Gaoyang Bishuilantian Water Co., Ltd. The raw water is the effluent of Gaoyang WWTP. The permeate out of the treatment of the reclaimed water will be used for the power plant and process water of the industrial dyeing zone. The UF capacity is 18,000m³/d, and the net RO capacity is 13,500m³/d. 

The construction period is 9 months, and the whole plant will in operation by May, 2011.