LM Vertical Roller Mill (5) Feature Product. GKLM Vertical Roller Mill. Vertical Roller Mill (600-45μm) GKLM Vertical Mill. GKH series New Type Ring Roller Mill. LM1100 Vertical Roller Mill. LM900 Vertical Roller Mill. GKW1270 Micro Powder Mill. GKW970 Micro Powder Mill. GKH1032D Ultrafine Ring Roller Mill.