... of production 3. Customized design 4 2 Years warranty 5. Factory direct 20Kw SOLAR GRID TIE POWER SYSTEM For: Areas with NO ... , South Africa etc) Solar on grid system:solar panel+grid tie inverter Solar off grid system:solar panel+hybrid inverter(controller ... can optional)System Application:1,Living house and home building;2.Office building ,factory and warehouse3.Shopping mall,venue,stadium and ...