... 70w polycrystalline solar panel 1) A grade solar cells 2) 156*78 3) 510*1005*30 ... produced with high conversion effeciency, which purchased from Q-CELLS, CONERGY, ERSOL; 2. High quality of TPT, ... 3W-300W, with mono crystalline and poly crystalline solar cells. 5. We have TUV, ISO 9001/14001, ... CEC, TUV, and CE approval, offering the full spectrum sizes,solar panels are as efficient as other competitors ...