A spur gear in which teeth, formed on the inner circumference of an annular wheel, mesh with the external teeth of a smaller pinion. Both wheels revolve in the same direction. We are capable of the module range 0.5-25, Precise up to AGMA 4/DIN 8. Tooth treatment include: Shaping, Broaching, Shaving etc.
With over 30 years' experience and hundreds of qualified personnel, Wanfu Precision is well-known as one of the leading manufacturers and suppliers of internal helical gear in China. Offering internal helical gear customized service, our factory is specialized in producing high precision products.