1. Strong Clamping 10% more powerful than international same type products;

2.  Unfitness of butt joint of pipeline internal pneumatic line up clamps is below 1mm;

3. Traveling mode of pipeline internal pneumatic line up clamps: self-propelled

4. Patent design square linkage between rod and clamp shoes,. It improves crash proof capacity and twist proof capacity of clamp shoes. It decreased the obstacle rate and change frequency of spare parts, ensure project  schedule as planned