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Freewheels and Sprockets manufacturing and processing, a variety of single-speed bicycle gear can be produced, the same process to meet customer needs.

From the material, turning, hobbing, drilling tapping, zipper slot and heat treatment, grinding to complete the most professional quality control, adhere to the "integrity-based, quality first" belief in the benefit of the industry. Drainage business, both quality, excellence, for sustainable development, to provide the best quality service.