0.5-4.5T/H Super fine powder vertical mill/HGM80, HGM8021. From: Date: 14:16. HGM80/HGM8021 Super fine powder vertical mill is the new type mining equipment for making micro powders, fine powders, which is widely applied in the industries of metallurgy, mining, chemistry, cement, construction, refractory materials, ceramics, and so on.