Manhole Trench Shoring Boxes System
One-Stop Service
Trench Box and Manhole Box
Manhole Box Trench Shoring Trench Shield
Aluminum Trench Shields
China Manhole Trench Shoring Box for Excavation
Lianggong Formwork
Pipeline and Deep Excavation Construction
Painted, Powder Coating
Blue, Red, or Customized
300 Tons/Month
Graphic Design, 3D Model Design, Total Solution Fo
Online Technical Support, Onsite Installation
Quick Assemble
Standard Package
Customized