Features: 1) first pipeline dredger of the world 2) according to mechanics and water power principle, selecting high quality Steel and plastic materials 3) it can dredger through break turn pipe like lzsm pipe 4) it's a small but unique environmental protection device. We can control the Force according to the condition by yourself 5) appropriate flexibility and rigidity, great power 6) we can drill through hard objects such as wooden, plastic and cement and Push them out
