What's the market for advertising projection lights in China?
There must be a market, but the market is not large, and very easy to be eliminated, the need for product upgrades or new technology support, but also need to expand the market.
This is not applicable, low technology, easy to eliminate products although there is a market, but is believed to be in very quickly eliminated, such as projector 400 yuan, relatively speaking, more valuable and practical.
The projection lamp can be said to be low cost, high profit, a 400 yuan of the lamp lights, but the cost of tens of dollars or even lower, but also some high light value!
