Hardensurface extruder gearbox manufacturer / supplier in China, offering S Series Foot Mounted Helical-Worm Gearbox with Solid Shaft with Inline Braking Motor, Ka Series Hardened Tooth Surface Helical Bevel Gearbox with Variable Frequency Braking Motor with Flange Connection, K Series Hardened Tooth Surface Helical Bevel Foot Mounted Gearbox with Inline Standard Motor and so on.