qunying machinery ball mill
charge line mine clearing equipment Zhengzhou Mega Industry Co.,Ltd., is a leadingequipmentsupplier in China. Our factory Qunying was founded in 1961, it is good credit enterprise in Henan Province, it covers 160000m2, now there are 1600 employees, especially supply completeequipmentfor metallurgical,mining, building material, chemical, coal and electric power and .