Precision moulds and machine manufacturer / supplier in China, offering Delixi 35mm High-Precision Spur Gear Planetary Reducer - for Servo/Stepper Motors, Delixi Hxf90 Series 90mm Helical Planetary Reducer - High Torque, High Precision, 10: 1 Reduction Ratio, Delixi NEMA 23 Two-Stage High-Precision Helical Planetary Reducer - 60mm Stepper Motor-Specific, 20: 1 Gear Ratio and so on.