... ball press /briquetting press is moulded coal equipment which is mainly used to press coal powder,coke powder,ore powder, the ... is used in civilian use or Industrial use( bolier,coal gas furnace,smelt metal,etc). ModelHXXM-360HXXM-400HXXM-500HXXM ... double pressurefour roll double pressure Shape customcustomcustomcustomcustomcustomcustomUsuallysize the coal equipment presses the ball machine series