... cooperating with us ? 1. You get High Quality Products! a. Bridgelux chip or Epistar chip, high output, long lifetime as 30000h/50000h. Small ... >75 b. Meanwell and other excellent quality driver, long lasting and stable; PF>0.9 c. New design of heatsink, ensuring lights ... ' long lifetime and small light decay. d. Strict quality check before goods' delivery ...