As we all know that the led high bay is environmental friendly, energy saving, and long lifespan. In the stimulation of the local government policy and the market demand, many capital invest in the led industrial which makes much bubbles in led. However, the profit of led industrial is not as well as what they think. Even though the led high bay market is growing, the cost for advertisement and promotion is not an easy issue. The led high bay is costly, the price of LED High Bay is ten times than the candescent and energy savinglamp s. This is the fatal disadvantage of the LED High Bay, we may see the descent of the price in a not long future.