Ann: Quarterly Activities/Appendix 5B Cash Flow Report, page-23

"a raw material for batteries, which is urgently needed and will become scarce in the next few years."

You'd better do some more research because you're way off the mark.

China has the fifth largest total reserves of Mn ores in the world. When the EV battery market picks up China will be producing most of the worlds EV's, they won't need Butcherbird Mn ore or E25 HPMSM.

Recent discovery in China
"Guizhou the largest manganese resource base in China, and is likely to reduce domestic reliance on imported manganese ore.
The four deposits have an average grade of 19%-25%, with a depth of 1,000-1,500 m. Proven reserves of manganese ore in Tongren stood at 708 million mt, with 660 million mt of newly discovered deposits. "