C-shaped purlin is good in bending resistance, straightness, and it can cut, punch automatically,it is very easy and convenient to use.It can be used as bearing structure in big and medium sized building, such as factories, warehouses, garages, hangars, gyms, exhibitions, theater and so on.

    Working space and workman for the equipment: 
1. Ground-level land 
2. ≥5T overhead travelling crane 
3. Space for storing the material 
4. Space for laying the machine 
5. Road for vehicle moving 
6. Workman: 2, operator and porter