Interchangeable Chip Standard Section Safety for conehead tower crane

Chip Standard Section Interchangeable Safety for conehead tower crane We are professional manufacturer of tower crane and mast section in China, we also accept OEM & ODM order. 1. Plate mast section 2. Interchangeable standard section 3. Specification: F0/23B 4. Dimensions: 2,000mmX2,000mmX3,000mm 5. Material: Q345B steel 6.Weight: 1700 kgs Description: The standard sections in the model: F0/23C(L46A1),F0/23B,H3/36B,L68B1,L68B2 The plated type standard section can be