GL-311 fast mortar spraying machine Product introduction1, basically ... per hour can be easily sprayed 150m2 except the preparation time, work 8 hours a day, can be sprayed ... standards prescribed by the state, to avoid the quality, time limit for a project, cost, causing trouble and loss. ... <4mmbucket capacityair compressorWeight maximum pressure 50L0.3m3/h340kg3Mpa GL-311 fast mortar spraying machine