1.Top quality: all best epistar chip,each 5050smd is 20LM,all best double-side led board. 2.Fast delivery: small order 2-5 days. 3.We have a integrate system for product research and development, which ensures our leading position in this industry. 4.We offer super after-sale services and more preferential policies. 5.Some leading LED distributors in Europe,North America and Russia are purchasing from us.