... crystalline siliconSize: 156mm*156mm (6 inch)Manufacture: Taiwan and Chinese solar cells brand. Efficiency rate: 19.4-20.4%Pmpp(W): 4 ... .6-4.8Brand: NSP, Motech, Gintech, Solarworld, JA solar, Trian, Hanwha etc.Packaging information:100pcs for one box. 10 ... factory or trading company?A: We are a solar panel manufacture and trading on solar cells.2. Q: Where is your factory located ...