The price is very cheap, there are advantages and quality, so I dare not say. Do you think you can use good raw materials at a very cheap price? Look at the hot melt effect and hot melt feel of the product when installing. Generally, good products are soft to melt, and some products produced from impure raw materials are hard to melt, and ppr is brittle at low temperature, so it is definitely not a good pipe. After long-term use, the water pipe will be deformed and wrapped inside, causing hidden dangers in the later period. Produced by a regular manufacturer.