Spiral conveyer: LYS Screw conveyor, the latest product, which is designed and developed by our company referring to the similar products from Germany and Italy, is the excellent up-dating conveying equipment. It is used in mixing station to convey concrete ,coal ash powder and so on. Technicality reliability and practicability for the newly-reformed LSY conveyor have been highly improved. The specification and model of the products have been seriated.