On 10th of October, 2011, CMC International Tendering Co. published bidding evaluation result that Guolin won the bidding first contract project of 3*35kg/h ozone generator. 
Beijing Gaobeidian Waste Water Treatment Factory use membrane + ozone treatment process to increase reclaimed water capacity of 1million m3/day. The discharged water is used for river and lake sight，industrial water and green lands irrigation.
Gaobei Dian Reclaimed Water Factory and reclaimed water reuse project is the sixth reclaimed water factory which got approval in Beijing Drainage Group upcycle projects, which is also the reclaimed water project with big scale.
Name of bidders are: Ozonia, Mitsubishi, Guolin etc. After strict evalution, Guolin won the bidding and this is also the third time for Guolin to cooperate with Beijing Drainage Group.