Janar KUUSK janar@solarstone.ee /sales & partnership/ +372 56840415 est/eng/
Mait KUKK mait@solarstone.ee /proposals & engineering/ +372 523 5932 est/eng Mati Kraavi mati@solarstone.ee /installation/ +372 555 343 14 est/eng/
Solarstone Ltd Tartu Str. 16 / Viljandi / 71004 / Estonia