1. Pipe line specialf roller cradle for pipe hyposuloulu after weldings of pipe construction equipment of roller cradle. It is a special hoist and travel equipment. Usually, 4-6 units are regarded as one group and it matches with pipe layer for work;

2. DL series pipe line special cradle with reasonable design for pipe construction equipment of roller cradle, light weight, strong hoist power, safe and reliable;

3. It is made by special polyurethane roller with good gluing properties, high abrasive ressitance of  pipe construction equipment of roller cradle