andesite crushing plant in indonesia. indonesia is one important market of gbm, every year, a number of gbm crushing machines, grinding mills,quartz crushing plant gravel mill,sbm machinery is a global supplier of high quality quartz crushing plant and various types of quartz stone crushers. popular quartz crushing plant. quartz is often used as an abrasive material for grinding glass, sandblasting, and cutting soft stones. quartz sand is important ingredient for manufacturing glass.