There are many main factors, which affect the price of LED display.
For chip manufacturers, control IC, lights, this a few upstream of the material are the main factors that affect the cost.
Second is: stents, wire rod, glue, suite, PCB, process, etc.
These are directly affect the cost of LED display, which directly affect the sales price.
For users, affect the parameters of the offer are: brightness, color uniformity, refresh rate, attenuation, the stability and the distance between point and so on.
Led display with high price, of course, is relatively expensive, but the display effect will be much better.