Beijing Light Focus Energy S-Tech Co.,Ltd. specializes in the researching,designing, installation and marketing the solar product, an supply the clear energy for the people. our mainly product includes of the solar panels, various size solar generators,wind generator, solar panel, controllers and different modle inverter, like the pure sine inverter, modified wave inverter, ups eps etc. which can solve the problem no power and no electrocity and the power shortcut. we also install and tes the system for you. all the product have got the  domestic and international certificates.Our prodcts are welcome in the South Asia, Africa and other areas in the world. Even the product has already be use in the rural and industrious zone. We will do our best for you

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