Gem Co.Ltd(002340) 3 on March 18, the company pointed out on the investor interaction platform that the company has increased the construction of nickel resource recovery and power battery recovery system to ensure the strategic needs of nickel resources through urban mines exploiting nickel resources; At the same time, promote the production and expansion of Indonesian projects. Through “urban mine + self built nickel resource base”, the self-sufficiency rate of nickel raw materials of the company will reach more than 40% in 2022, more than 70% in 2025 and 100% in 2027.