Caustic soda flakes

CHEMICAL SUPPLIERS/MANUFACTURERS
I NEED SUPPLIERS WHO CAN SUPPLY THE FOLLOWING ITEMS FOR SUGAR FACTORY IN ETHIOPIA.
1. AMONIUM PHOSPHATE & SULPHATE
2. CAUSTIC SODA FLAKES
3. HYDROCHLORIC ACID
4. TRISODIUM PHOSPHATE
5. SULPHUR
6. TRIPLE SUPPER PHOSPHATE
7. YEAST & CYCLO-HEXANE
MEANTIME, I NEED WHO CAN SUPPLY ALUMINIUM SULPHATE FOR WATER SUPPLY ORG.
IN ETHIOPIA