Light group headquarters is located in the ancient city of xi 'an, was founded in 1953, is a national one of 156 key construction projects during the period of "five", national key BaoJun the first batch of enterprises and the general armaments department joint review approved equipment units. West light group now covers xiangfan, kunming, xi 'an, jiaxing five big park, four cities (west light high-tech industrial park, chaoyang industrial zone, xiangfan optoelectronic materials and devices industrial park, jiaxing photoelectric industrial park and yunnan investec photovoltaic science and technology industrial park), with assets of nearly 3 billion yuan, staff more than 6600 people.