Zhengzhou yonghua machinery manufacturing Co.,LTD is specialized in manufacturing complete equirment for formed coal ,ball forming machined and production line for sandstone. renowed in the domestic and foreign markets ,the production lines for 10-100thousand tons of formed coal are currently exported japan ,egypt and so on ,becoming the ideal equipment for production of fromed coal and ball press of powderde ore at home and abroad. the company's main products are divided into four categoris:ball press machine series include ball press machines for iron scale ,powdered ore ,desulfurization gypsum ,coal powder,powered carbon and so on ;drying equipment serizes include mesh beltdrying machine ,drum -type drying maching ,etc .besides there are briquette-making serizes and unbumed brick pressing machine serizes.