... labor,no need wood and nail any more Our formwork:it is used for forming concrete ceiling slab, ... with the traditional productsour new type scaffolding and formwork are a kind products instead of the timbers ... tubes with couplers in the constrution site, the formwork to support the plywood is adjustable and also ... of per floor is 1000m2 , and if you buy our products for two floors, when you finish the ...