1, mobile population and population density: Lanzhou, as an economic center city, has a large population mobility, so there are often some cell phone recycling points are hotter. At the same time, densely populated places are also one of the hotter places to recycle cell phones.
2, market competition and price: a larger market will attract more recyclers to move in, at the same time, a large market will also compete on the price, to provide better recycling price.
3, market competition and price: larger markets will attract more recyclers to move in, while larger markets will also compete on price and offer better recycling prices.