We (Chengdu Jinhua Practical Appliance Institution) want to be one of your most powerful Led light supplier. For ten years, Chengdu Jinhua Practical Appliance Institution Co., Ltd. has focused on 0.001mm high precision, 1,000-hour final test and 20,000-hour span life of Practical Appliances. We never give up pursuing the perfect quality of our products. 1)we,Chengdu Jinhua Practical Appliance Institution Co., Ltd. , is one of the biggest led light Manufacturer in China, major in indoor lighting as well as outdoor lighting. -a)Chengdu Jinhua Practical Appliance Institution have built more than 300 speciality store named "lighting manager store" in 32 provinces of China , pls see speciality store photos in product details. -.b)Chengdu Jinhua Practical Appliance Institution have built dustfree facotry to encapsulation the LED CHIPS, seldom manufacturer have this department,