Tanzania company asking for gypsum powder production line

Dear Sir/Madam
Currently we are mining natural Gypsum material and sale it as row
material, for the production of Cement.
Now we want to add value to our product by producing gypsum Powder Plaster
we looking Gypsum Powder Refining Machine full set.
Our Gypsum purity is almost 90%.The project located in Republic of Tanzania
Please advise accordingly
Best Regards