China best supplier of solar panel of monocrystalline and polycrystalline and on-grid and off-grid solar system. Beihai Composite Materials Co.,Ltd. in China is a professional manufacturer of solar battery and solar modules. And make and supply on-grid and off-grid solar system.We produce 5w-700w solar panel, both mono and poly, 25 years warranty, full certificated. OEM/ODM is accepted.Recently, we specialized in big solar power project around the world,we have finished many projects now.Beihai grid solar panels are ideal for commercial, residential and utility-scale applications, both on-grid or off-grid. Beihai grid solar panels are built using in-house produced cells that undergo rigorous materials testing before and during module production. Our 6S Lean manufacturing process ensures uncompromised quality at every step.This produces a final solar module of the highest, most reliable integrity.We have been in solar industry for more than 10years and export to more than 60 countries in Europe, America, South Africa and Asia etc. Offering high quality solar products and best service is our commitment.Solar energy, best green energy, saving money, on pollution. Sunshine makes world more beautiful and sweet!