PVC pipe and PVC pipe joints are all contacted by everyone, and it is often encountered in our lives. It has its unique advantages over pipes and joints of other materials, making it popular among people in these years. Its advantage is amazing and everyone will use it in life and feel it is good. But the drain is believed to have been heard by everyone, of course, this is also made of PVC. So what is the role of PVC drains and fittings? Let's take a look at its role and its advantages.