Different prices determine different quality.
It’s the same in any industry! If you care about quality, please respect the price; if you want cheap, don't expect good quality.
The marketing strategy is to sell "greed" and "fear" to the rich: they are afraid that the product is not safe, afraid of not being high quality, afraid of losing the face and fear of not being as good as others. Please grasp this psychological selling point; For ordinary customers: they are eager for cheap prices, eager for gifts, eager for discounts, eager for better deals than others, and eager to save money, please grasp these two big ones. psychological promotions!