... Professional Manufacturer 4.Reliable Operation QT6-15 Block Making Machine:QT6-15 Automatic Block Making Machine(6 stands for the production quantity ... squares, gardens, landscaping, city constructions, etc.QT6-15 Block Making Machine Features:1)Uses Germany Siemens PLC control system ... structure of vibrating and moulding platforms, which reduces the weight of the machine, and improves the vibrating ...