Easy installation, structural parts using standard parts, no external electrical connections. Solar lighting installed directly on the ground, without trenching and laying cable special. Intelligent control system: charging and discharging, lamps work and shut down time and brightness setting solar lighting recruitment, overcharge, over discharge, temperature control. Indeed solar lighting company, the sun is the light energy into battery power, so it can work even on cloudy days. Solar lighting products, Qingdao Steel Yi (certified), solar lighting is provided by solar energy, Ltd. Qingdao Yi Gang. Qingdao Yi Steel Solar Limited (www.gangyisolar.com) is Qingdao, a leader in solar and renewable energy, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Yi Gang leader in Qingdao with the staff warmly welcome all inquiries negotiations to create Qingdao Yi Gang a better future.