Interchangeable Chip Standard Section For construction tower crane

Chip Interchangeable Standard Section For construction 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: L68 4. Dimensions: 2,000mmX2000mmX3,000mm 5. Material: Q345B steel 6. Weight: 1800kgs Description: The standard sections in the model: F0/23C(L46A1), F0/23B, H3/36B, L68B1,L68B2 The main chord adopts the 200mmX200mmx20mm angle