4U CFL Energy saving lamp: 4U-15W 1)10,000 HRS lifetime 2)UL,CE, ... ,000,000pcs/month 4)OEM accepted 4U CFL Energy saving lamp: 4U-15W1)3,000,000 pcs/month2)Up to 10 ... /B222700-650082520080001772328Hangzhou Qianlong Electronic Co., Ltd 4U CFL Energy saving lamp(4U-15W)