... 3.Professional Manufacturer 4.Reliable Operation QT6-15 Block Making Machine:QT6-15 Automatic Block Making Machine(6 stands for ... road pavings, squares, gardens, landscaping, city constructions, etc.QT6-15 Block Making Machine Features:1)Uses Germany Siemens PLC control ... flow and pressure as per specific working requirements, to buffer the hydraulic cylinder when working; uses integrated high-pressure ...