1. Strong Clamping 10% more powerful than international same type products for welding machine of internal line up clamp ;

2. High matching accuracy of welding machine of internal line up clamp unfitness of butt joint is below 1mm;

3. Drive and brake of welding machine of internal line up clamp : Double wheels drive, pneumatic motoe with international top class setting, powerful strength linkage design of drive and brake, sage and reliable brake;

4. Patent design square linkage between ord and clamp shoes for welding machine of internal line up clamp ,. It improves crash proof capacity and twist proof capacity of clamp shoes. It decreased the obstacle rate and change frequency of spare parts so that it improves the project accuracy and effect.