1. Brand effect. Different brands sold polypropylene filter price is not the same, after all, big brand is unique, compared to the quality of products are more secure, coupled with the brand effect, polypropylene filter price is higher than the general market.
2. Market demand. Demand is the direct factor that affects the price, is the so-called goods to dilute is expensive, once the market demand expands the proof to need to be larger than the supply, this time even if the sales side raise the price will still be bought by the consumer.
3. Quality factor. Quality is the fundamental guarantee of price, polypropylene filter quality is the most attention of consumers, so high quality represents the cost, it is impossible to sell at a low price.