Silicon rubber insulators

We are looking for the electrical materials prices-es cif dar es salaam or mombasa.
the materials should be 11kv and 33kv.
1. aluminum cable abc & acsr 50mm , 100 ,2*50 and 2*95
2. high voltage accessories and materials.
3. insulators surger arrestors, cut out fuse for high voltage
4. silicon rubber insulators .
an early reply will be appreciated