... KW 4.ISO9001:2000 5.sells well Specifications Interlock block machine, Model No. JW-QTY2-20Block / Brick Raw Material: ... JW-QTY2-20This model is a fixed but small size machine, designed for small scale production with condensed configuration, nice ... appearance and multi-functions. It is composed of the machine frame, vibrationplatform, mold lifting system, supporting poles, hydraulic system ...