... professional manufactuerer of Hollow block machine, block machine for many years. YP8-20 Concrete Block Machine for cement blocks:Main Technicalf ... Data of YP8-20 ConcreteBlock Machine. Mateiral useCement, Crushed Stone, Sand, Fly ash, ... , TELEMECANIQUE are available.Plant Drawing of YP8-20 Automatic Concrete Block Machine Production Line. Including:1: Cement Silo2: Screw ...