High Efficiency Soalr Panel 1.3W to 300W 2.Above 80% output warranty in 25 years 3.ISO, CE, TUV 4.Offer OEM Service 250W Monocrystalline Silicon Solar Panel in high efficiency and competitive price.We are professional manufacturer with ISO9001:2000 certificate for kinds of solar panels in China. Our main products include Crystalline Silicon solar panels, Amorphous Thin Film Silicon Solar panels, ...