1. Pay attention
When buying water pipes, it is better to go to a regular pipe store to buy more appropriate, not only the quality of the pipes is guaranteed, but also better installation services. Different manufacturers have some differences in the expansion coefficient. After some time, it is easy to leak water, and it is necessary to obtain a product service card from the merchant. Most pipes have a 50-year warranty period.
2. Test performance
When buying a water pipe, you should also try its performance. Good quality pipes can be easily bent without breaking, and like poor quality products, the whole will be brittle, and it will break when the machine is bent. Can't bend. You can take a small sample and soak it in high-temperature hot water. The hardness of the water pipe of good quality will not be affected, and the softening of the poor quality will occur.
3. Look at the appearance
When choosing a water pipe, you should also observe the color, luster, etc., to see if there is uniformity, and whether there is a trademark, specification, and information related to the production time on the outer wall.