Hong Kong Excellen Mining Investment Luilu Resource Co Ltd planned to develop Luilu 20000 t/y Copper & 3000 t/y Hydrometallurigical Cobalt Hydroxide Project, in Luilu Territory, Lomami, CONGO (DRC). CINF Engineering Co Ltd was the design consultant. The project covered the mining of 20000 t/y copper and 3000 t/y Cobalt. The copper was from the wasted tailing resource of Luilu. The project concluded mining, dressing, metallurgy facilities, etc. The project would help local economic develop. With Chinese participation, the project was regarded as a contribution for Belt & Road Initiative.