Zhengzhou Jienengda Huanbaoshebei

Dust extraction equipment for coal grinding and milling plant, Heating, ventilation, air conditioning (HVAC) and refrigeration equipment, Construction, Wet dust collecting plant for quarries, cement works, Dust extraction equipment, by use, Dust extraction equipment for cupola furnaces, Air duct cleaning equipment for ventilation and air conditioning plant, Hygiene and cleaning, Business Services, Industrial cleaning machinery and equipment NES