... 1.Automatic 2.Product:solid/hollow/paverment 3.Siemens PLC control system 4. Free installation Block machine, Block ... of density and intensity2, control system: A. Mitsubishi PLC, self diagnosed for Trouble shooting B. Touch screen controller ... (Eview,Shenzhen), easy operation C. International electrical components: Omron, Schneider3, Proportional electro-hydraulic relief valves (Taiwan,Calyca) A ...