GL-311 fast mortar spraying machine Product introduction1, basically ... can be easily sprayed 150m2 except the preparation time, work 8 hours a day, can be sprayed over 1000m2, ... the equivalent of 20 skilled workers hard day's work.In4, small investment, high profit, if every equipment ... 4mmbucket capacityair compressorWeight maximum pressure 50L0.3m3/h340kg3Mpa GL-311 fast mortar spraying machine