SHENZHEN CHANGDANENG TECHNOLOGY CO.,LTD is a factory specialized in developing, producing and selling solar traffic products. From 2009, we begin to engaged in solar traffic products. To make our products with high quality and lower price, we invited industry senior team to design, develop and testing. Through 2 years constant effort, finally at 2011, our company was established. And just another 2 years later, we gain 40% of market share in solar traffic safety products. So we are really confident to do better now. Our concept is people first, and environment friendly. We are top company in developing green energy and protecting environment. Also we are committed to supplying the best road traffic products for you! We sincerely hope to establish satisfactory relationships with you in the near future. We will keep you informed of our progress and look forward to building steady business relations with you!