The predecessor of the enterprise is Yongkang City Sitong tool factory, in June 1995, officially changed to Yongkang City Sitong gear factory, has more than 20 years of history, has a wealth of gear production experience. Now has complete production equipment and testing equipment, there are more than 50 precision milling gear machine, gear tester several sets; There are more than ten high precision CNC lathes processing gear blank and bench drill. Have strong production and perfect technology, to undertake customers to plan to sample production, from raw materials to finished products for a full set of services. The products are mainly used in all kinds of electric, pneumatic, sewing machine, bicycle and other spiral bevel gears, and are sold to all over the world.