On Nov.5, safety facility of Longshan slime dam expansion EPC contracting project, undertaken by CINF, passed completion acceptance. The project is an important coordinated project of 2016. The dam is designed to heighten from 880m to 910m, and the capacity is to expand with 16.63 million m3. The project is completed in Sept. 2017. After examination and test trial operation, the safety facility is proved to be steady and reliable, and achieve the expectation.