China LED Street Light manufacturer, Solar Light, Solar 13/12/2012· Jiangsu Saiou electricity (group) Co.,NOKIN Traffic (the original GaoLong lighting electric Co., Ltd, yangzhou, GaoYouShi lighting electrical factory) is a professional production of road lighting, the company was founded in 1976, the company covers an area of 58000m ² , of which the construction are is 38000 square