Copper pipe has the advantages of corrosion resistance and disinfection, and is the top product for water pipes. There are two kinds of ferrules for copper pipe interface, welding and welding, jacket and aluminum plastic pipe, which have long-term aging and leakage problems. Therefore, in Shanghai and other places, large Most users who install copper pipes use the welding type. Welding is an interface that is welded together by oxygen, which can be like PPR like PPR water pipes, and will never leak. The hot water pipes produced by copper pipe manufacturers such as Jing and Baoyang are covered with plastic and foaming agent to prevent heat from dissipating. Another disadvantage of copper pipes is that they are expensive. Few community water supply systems are copper pipes. Exit apartments and villas will only be seen. If you are planning to change the water pipe and think the copper pipe is fine, a welded joint is recommended. Some netizens mentioned that the Dongfangjiayuan Xisanqi store has British IBP copper pipes. I have not used them. You can investigate.
