WMA HOLDING FZCO Based in UAE. Please see their website
https://wmalloys.com/They are the leading Manganese Slag supplier in the World, constituting 22% of the total export supply
WMA are doing similar over at CAY Canyon resources ltd (
https://hotcopper.com.au/threads/ann-change-in-substantial-holding.8240199/ )
CAY are securing ground in Cameroon and WMA are getting in at entry.
On the 2nd of October WMA increased their holdings to 8.3%, which under 671B as a substantial hold must be announced.
WMA Holdings FZCO is a serious player in the is space
FYI
https://www.volza.com/p/manganese-slag/manufacturers/
As of Sept 24, WMA held 2.95% Of Estrella, half a month later that has slowly uped to 3.5% an increase of 11 million shares
20 odd day's later that has increased to
(20min delay)