... and German Frequency Conversional Control. 2: Fully Automatic Block machine price ,concrete brick machine,concrete brick making ... per Shift (8 Working Hours):Hollow Block (400x200x200mm): 14400-19200 pcsSolid Block (240x115x53mm): 77760-103680 pcsInterlock (225x112.5x60mm ... blocks, interlocking blocks, etc.Applied Fields:widely used in buildings, road pavings, squares, gardens, landscaping, city constructions ...