The DC. produced by solar panel, is changed into AC that compliies with the power grid standards by on-gid inverter , it is clean with low cost , and can be distributed in construction and perfectly  integrated with architecture , it is greatly promoted in allover the world

Technical features:

1.perfectly integrated with roof, saving ground spaces

2.no need of storage eqipments, transfering the rest electricity to the grid greatly costs-reducing

3.clean energy and convenient to use