shoddy phenomenon

In led market may led factory cut his rates to drive out rivals .there inevitably are lots of problems, especial on the led quality . If the price is too low will led in shoddy, shoddy work to reduce costs, who do lose money trading it?
Anyway ,example for you —– small size led posing as big size. please see pic as follows.

from what we saw, we gathered ( that) led module on right side is big thanled module on left size. in fact we are really taken for a ride, the led module on right side added more phosphor(please see yellow area) to deceive led user.as a matter of fact, it is just an small size led module.