Production capacity: 500-7000kg/h
Output Size: 400-3000 mesh
Processing Materials: suitable for super fine grinding for all kinds of fragile and non-flammable and non-explosive materials whose Moh's hardness is below 5 grade, such as calcium carbonate, barite, aedelforsite,kaoline,rare earth ore, hematitle, talcum, feldspar,slag and so on.
1. Three-rings and Medium Speed Micro Powder Grinder manufactured by our company is a kind of super fine powder grinding machine. It's new type that researched and designed out by our company independently, is the domestic advanced equipment for fine and ultrafine milling of nonmetallic mineral.
2. It is applicable for ultrafine grinding various materials whose rigidity is below 5 according to the Moh’s Scale of Hardness. such as calcium carbonate, barite, aedelforsite,kaoline,rare earth ore, hematitle, talcum, feldspar,slag and so on.

Advantates of Three-rings and Medium Speed Micro Powder Grinder:
| Mesh Model | HXM-1021 | |
| Output(kg/h) | Power(kw/h) | |
| 400 | 6000-7000 | 22 |
| 800 | 3000-3500 | 45 |
| 1250 | 2000-2500 | 70 |
| 1500 | 1800-2000 | 73 |
| 1800 | 1500-1800 | 90 |
| 2500 | 1200-1300 | 120 |
| 3000 | 900-1100 | 145 |
| Mesh Model | HXM-800 | |
| Output(kg/h) | Power(kw/h) | |
| 400 | 4000-5000 | 27 |
| 800 | 1800-2100 | 60 |
| 1250 | 1200-1500 | 95 |
| 1500 | 1000-1200 | 110 |
| 1800 | 800-1000 | 136 |
| 2500 | 600-800 | 175 |
| 3000 | 500-700 | 200 |