Spiral Conveyor/Screw Conveyor /Conveyor for Brick and Block Zhengzhou Liyan Technology Co., Ltd. Base Info Model NO.:WLS400Type:Concrete Mixing PlantMachining Process:Welded Molding MachineCertification:ISO9001: 2000, CECondition:NewTrademark:ZZCZSpecification:ISO, CEOrigin:Henan Description Pre:Wls Series Shaftless Screw Conveyor Next:Belt Converyor Concrete Batching Plant Hzs60