1.Planetary gear
2.Material:40Cr/Alloy steel
3.precision forging
4.M-1,Z-13 for shaft,58 for gears.
5.Good quality&price

 planetary gear 

  Hardened and durability high quality low price
  Sizes depend on your

1.Precise measurement and surface finishes are available
2.high dense alloy or other materials is also available
3.complete providing engineering services with techniques design
4.customer's drawing and samples are welcome