China 14th Water Conservancy and Hydropower Engineering Bureau Co., Ltd. (hereinafter referred to as China 14th Water Conservancy and Hydropower Bureau) has the first-class qualification of water conservancy and hydropower engineering and highway engineering general contracting, municipal public engineering general contracting, earthwork engineering general contracting, bridge and tunnel engineering professional contracting, urban rail transit engineering professional construction and foreign engineering contracting. And through the quality management, occupational health and safety management, environmental management certification, known as the "underground iron army", "hydropower station."