... :1:Compact design, small volume, nice appearance and strong capacity of being overloaded.2:percise division , wide selection range.3:High ... .5:Using new seal device-good protection , stong adaptability, capable of working continually in corrosive or damp environment.6:Hr series ... small volume, helical gear units achieves the output torque range of 69-18000NM, and output power as much as 200 KW. SLR ...