| Type | Max.Dia.to be machined and Max.length of workpiece | Distance between center lines of workpiece and milling/grinder  cutter | Max.dia.and length of milling cutter to be mounted | Range of lead to be machined | Overall dimensions(L×  W×H)and Net weight | Main usage | 
| QH2-007 screw pump rotor milling machine | φ200×2300 | 60-215mm | 100-250mm×120mm | 100-220mm | 4225×1607×1640mm (8500kg) | Milling of helical flutes of screw pump rotors | 
| QH2-007/1 screw compressor rotor milling machine | φ200×1350 | 60-215mm | 100-250mm×120mm | 125-540mm | 3225×1587×1677mm(6800kg) | Milling of helical flutes of screw compressor rotors | 
| QH2-017 screw pump rotor milling machine | φ60×1000 | 45-120mm | 145mm×70mm | 40-220mm | 3050×1437×1510mm(6000kg) | Milling of helical flutes of screw pump rotors | 
| QH2-053A CNC spiral rotor milling machine | φ270×1200 | 70-267mm | 127-290mm×150mm | arbitrary | 5500×2400×1715mm(13000kg) | It is a precison machine with high efficiency for milling spiral workpiece | 
| QH2-055CNC spiral rotor milling machine | φ650×2500 | 300-800mm | 350-600mm×290mm | arbitrary | 7500×4450×1920mm(36000kg) | It's a precision machine with high efficiency for milling spiral workpiece | 
| QH2-085CNCspiral rotor milling machine | φ1050×3500 | 420-950mm | 560mm | arbitrary | 9500×4650×3300mm(50000kg) | . It's a precision machine with high efficiency for milling large spiral workpiece | 
| QH2-M15ACNC rotor grinder | φ150×650 | 360mm |  |  |  | This machine can grinder the tooth  shaped wires of  screw  /spiral rotor with  the CBN grinder wheel. (adopt wet type ) |