The power supply is also the most important factor affecting the price of LED panel lamp. The power supply is not good, directly affect the life of LED panel lamp. UL power supply performance is relatively stable. The price is about 53 yuan, the TUV power supply price is about 33, and other CE power supply. Simple packaging, a few dollars can be done, a little better for example, 10 dollars is Four Corners plus a world cover carton, plus a carton of outer shell packaging.To sum up, LED panel lamp cost about 250 yuan-280 yuan, if all choose a better material, the cost may be more than 300 yuan.