The material of this product is polyethylene (PE), and the assembly method of the product is butt joint type. We have unique characteristics such as flexibility, corrosion resistance and flame retardancy. The material of this product is thickened, formed in one piece, no leakage, the inner wall is smooth and transparent, the friction is small, the water flows quickly, and it does not block.The material of this product is thickened, formed in one piece, no leakage, the inner wall is smooth and transparent, the friction is small, the water flows quickly, and it does not block.