Yan Yuan, Henan photovoltaic energy co., Ltd. is the Eastern Group and the development of science and technology, Peking University Department of Henan, Copper-Indium-Gallium-selenium (CIGS) thin-film solar collector tube technology inventors Zhao Kui joint only with independent intellectual property rights in China for the production of thin-film solar cell device and enterprise. the company's business scope: CIGS thin-film solar photovoltaic cell production equipment design, manufacturing and marketing; photovoltaic solar cell design, production and sale of the product. the business purpose of the company: development of solar photovoltaic technology in the silicon age, build post silicon era placanticline base for China and the world with first-class PV technology and original products with independent intellectual property rights, in the area of development and production of new materials, new devices become the most powerful photovoltaic business groups at home and abroad.