1,multifuctional, produce various bricks 2, large production, full-automatic 3,special designs 1 :This machine is of multi-function. ... dock bricks, grass-planting bricks, etc2:By low frequency material feeding, high freqency vibrating, and pressing and vibrating both by table ... )Celephone: 0086 18663633634Fax: 0086 010 57202610Alibaba: cn220213141 HF fully automatic block making machine for sale