As a professional corrugated pipe manufacturer in China, we specialize in producing high-quality HDPE double-wall plastic pipes designed for superior strength and long service life. Each pipe measures 180 mm in diameter and 6 meters in length, providing excellent flow capacity for various drainage and sewage systems. With a ring stiffness rating of SN4, our pipes maintain structural integrity under heavy soil loads and challenging ground conditions. The bell-end design ensures secure and leak-proof connections, simplifying installation. Durable, lightweight, and resistant to corrosion and chemicals, our HDPE corrugated pipes offer a cost-effective and reliable solution for modern infrastructure projects.