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large span roll forming machine
The Large span roll forming machine replaces perfectly the traditional frame architecture. The machine makes PPGI into the arch groove via the rollers. The arch groove will be connected by the sewing machine one by one together. Finally to finish the building. This kind of building has many advantages, such as fast construction speed, low cost, long service life, large span, beautiful shape, etc., and it’s widely used in various fields.ZX-700 equipment into the board width 914mm, effective width 700mm,proper span 7m-24m, usage rate 76.6%.