Gongyi Sanjiu Environmental Protection Technology Co., Ltd.A one-stop service provider encompassing research and development, engineering design, production and installation, as well as debugging services.Environmental-friendly Ore Selection/Metal SortingManufacturer of complete sets of equipment. Key Production Equipment: Jigging Machine, Roll Crushers, Mineral Separation EquipmentEddy Current Sorting Equipment,Waste SortingSorting line equipment for the classification industry.