Shenzen Jinhua Opto-tech Co., Ltd, which devotes to global work of low carbon and energy saving, was established in 2006. It's a high-tech enterprises, integrates the R &D, production and sales and service of comprehensive application of LED products. The LED products line of Jinhua covers most of indoor and outdoor LED display systems and energy-saving lighting projects. LED display: Single & bi-color & full color LED dislays, indoor & outdoor LED displays, indoor & outdoor LED ...