Zhengzhou Zhongding Heavy Duty MachineManufacturing Co., Ltd. is a joint-stock enterprise specialized inmanufacturing mining machinery. Based in Zhengzhou Machine IndustryPark, our company possesses the independent developing, proces-sing and manufacturing capacity and also it has independent R&Dcenter and production base. Endowed with modern cutting equipments,advanced computer aided design system and perfect three-dimensionalsimulation test system, our company can ensure productsâ respectiveperformance. We mainly manufacture the 50-5000tpd capacity stonecrushing line and 100-3500tpd mine-selectingequipment.