Detailed data collection of water pipes

Water pipes are water supply pipes, and modern decoration water pipes are all buried in the wall. There are three types of water pipes. The first category is metal pipes, such as hot-dip cast iron pipes lined with plastic, copper pipes and stainless steel pipes. The second category is plastic-coated metal pipes, such as plastic-coated steel pipes and aluminum-plastic composite pipes. The third category is plastic pipes, such as PB and PP-R.