ZHENGZHOU HUADA HEAVY INDUSTRY MACHINERY CO., LTD BLONGS TO HONGJI GROUP, is a heavy machinery manufacturer subordinated to China Mechanical Industry Mechanization Construction Controlling Company. The leading products include whole set mine-selecting equipment and sandstone equipment such as ball mill, crusher, grinder, magnetic separator, flotation machine, classifier, drier, sand-maker, oscillating screen, sand washer, conveyor, block making machine, aac equipment, etc. Mine-selecting equipment is applicable to select non-ferrous metal ore such as iron, copper, gold, silver, lead, tungsten, molybdenum, manganese and non-metal ores such as fluorite and quartz. Sandstone equipment is applicable to construct airport, railway, freeway, average highway, national large bridge, sub-bottom tunnel, land tunnel and new-type high building. It has fixed assets amounting to RMB103, 260, 000, 800 staffs and 120 technicians. After more than tewenty years&＃039; development, the factory has built itself into a comprehensive enterprise that comprises scientific research, test, manufacture, and service. The products have won many awards of varied levels and passed the attestation of ISO9001 Quality Control System SGS of Sweden. There are four plants and two companies affiliated to this factory.