Dayu Water Saving: pre-winning bid sediment treatment Station Project of Yumenkou Yellow extraction Reconstruction Project in Hancheng City, Shaanxi Province, May 14, Dayu Water Saving announcement, the company's wholly-owned subsidiary Gansu Dayu Water Saving Group Water Conservancy and Hydropower Engineering Co., Ltd. pre-won the bid for the sediment treatment station project of Yumen Yellow extraction Reconstruction Project in Hancheng City, Shaanxi Province, with a winning bid amount of about 138 million yuan.