... 12X1W, 15X1W, 18x1W, 21X1W, 24x1W *SMD3528 chip High brightness LED downlight series: 1.5W, 2W, 2.5W, 3W, 6W, 9W, 12W, ... 125, Dia 145, Dia 170, Dia 200 LED downlight Production and Quality Control Process: 1. Law Materials control 2. Sample inspection: ... Product appearance access, component (LED chip and driver)test, ...