China grinding mill, HGM168, the world largest capaicty ultra fine grinidng mill,  researched and produced on 2014 and take trial run successful on 2015. 

HGM168, China grinding mill is a kind of dry ultrafine grinding mill. The capacity can get 3.8-35 t/h with output size adjusted from 150 mesh to 1500 mesh. HGM168 China grinding mill can be used  for super-fine grinding materials with hardness less than 6 in Moh’s scale and humidity less than 6 percent such as kaolin, limestone, calcite, marble,talcum, barite, gypsum, dolomite, bentonite mud,mica, pyrophyllite, sepiolite, diatomite, graphite, alunite, fluorite, potassium feldspar, phosphorite, pigment and so on. 

The main technical data of HGM168 China grinding mill:

Finished Size: D97 100-9 micron, 150-1500 mesh
capacity: 3.8-35 t/h
ring diameter: 1680 mm
ring number: 4 pcs              
roller number: 30-40 pcs
Main Shaft Speed: 120-130 r.p.m
input size: under 20mm
outlet size: L*W*H 26.3*7.5*11.9 M
main unit power: 315 kw
classifier power: 5*18.5 ( muti-head classifier)
blower power: 2*75-2*90
crusher power: 75
bucket elevator power: 7.5
belt conveyor feeder power: 3
spiral conveyor power: 2*5.5
discharging valve power: 2*0.75-2*1.5
air compressor power:  55

more details check: micro powder grinding mill