We manufacture laminated plywood.
There are slots ar edges (tongue and groove), two piece of semi-circle panel can be joined seamlessly and the steel belts fix it tightly.
From feedback on website, it replaces costly mild steel formwork and help contractors save 60% cost. Besides, it is light in weight, easy cutting according to project requirement, and no need tower crane.
It is suitable for circular column which in diameter 250mm-4000mm.