Qingdao Donghailong Environmental Protection Technology Co., Ltd located in the high-tech enterprises zone. The company invests 4,000,000 dollars. The main product contains the serial products of solar lighting, the serial products of solar traffic lighting, the serial products of solar energy home power, the serial products of LED lighting and other fifty serial of products. The company has the ability of installing, maintaining and designing of the wind-solar hybrid power. Among these products, solar street light, solar lawn light, solar traffic warning light and LED street light pass the professional and technical appraisal of the Ministry of Information Industry and the Quality and technical Supervision. All the products completely fit the standard of country and the international certification.