This series include manual basic model(A), gasoline converting model(B), full hydraulic semi automatic model(C), totally 6 series and 40 products. Semi automatic models have electric controlled back-forth knife and clamps. Only require manual material charging and discharging. Highest production efficiency. They are the ideal tools for pipe and sectional materials Features of machines Heads can rotate left or right, beveling or mill slot, precise angles Circulating cooling system, cut doesn’t heat, ensuring longest raw life No bur cutting edge, no dust cutting, no need trimming Planar cutting edge for perfect connection Special clamp and cutting requirements are on users’ request