Yanshuoda factory adopts the 5S management method, which is very strict in workshop production management. For each person entering the workshop must strictly observe the 5S workshop management system. Various advanced production equipments have been introduced all the time to ensure the production capacity and quality of YSD products. Our products have passed CE BIS, CB, UL, ROHS,CCC certifications both at home & abroad and have obtained a number of inventions, utility model and appearance patents. Responsible for LED lighting projects, landscape lighting, energy saving services and energy management applications, strive to become an excellent supplier of lighting application solutions in China.