PE water supply pipes are environmentally friendly and non-toxic, containing no heavy metal salts, ensuring clean water quality, and are especially suitable for the conveyance of purified water. The inner wall of the pipes is smooth, providing excellent water flow, strong corrosion resistance, and a lifespan of over 50 years. They also exhibit reliable connection performance, outstanding seismic resistance, flexibility, and scratch resistance, making them highly capable of fulfilling various water supply functions.