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Zhejiang Red Sun Machinery Co., Ltd. was founded in 2001 and is a professional factory which primarily engaged in research, development, production and service of gear reducers. It was honored as “National high-tech Enterprise”. Company covers an area of 45,000 square meters , with staff of over 400 persons and an annual output of speed reducers could amount to 120,000 sets.

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REDSUN insists on: "Advanced,stable,economical and efficient". Our market positioning is to be one of the best supplier in the transmission equipment industry .Our aim is to surpass the Japanese low-cost products, German stability products and American advanced products.

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Since its establishment, our factory has been developing first world class products with adhering the principle of quality first. Our products have gained excellent reputation in the industry and valuabletrusty among new and old customers..

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    WHAT IS A PLANETARY GEARBOX? What millennial-old technique is the basics of many of the most innovative technical breakthroughs of this moment? Robotics, 3D printing and new means of transport all have one thing in common: often they are driven by a planetary gearbox. As a supplier of planetary ...
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  • Function of reducer in mechanical system

         Reducer is a commonly used mechanism to convey power in engineering practice. It is widely used and can be seen in daily life and various mechanical transmission systems. As a commonly used transmission device, its working state and performance have a significant impact on the overall operat...
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  • The Application of Gear Reducer

    Gear reducers are generally used in low-speed and high-torque transmission equipment. The ordinary reducer will also have several pairs of gears with the same principle to achieve the ideal reduction effect. The ratio of the teeth number of large gears and small gears is the transmission ratio. L...
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  • Correct maintenance and maintenance of gear reducer

    Reducer Maintenance Notes   1. Oil level reducer generally uses oil teeth lubrication. Before use, it must be refueled to the specified position (according to the schematic position) and replaced regularly. 2. Oil change cycle New reducer* When in use, after running-in period of 7-14 days (1...
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  • Structural characteristics of F series parallel shaft gear reducers

    Structural characteristics of F series parallel shaft gear reducers

    F series reducer is one of the four series of reducers. The difference between this reducer and the other three is that the output mode of this reducer is parallel shaft output. This is the real picture of a typical F series reducer, but since there are many basic types, the real object you look ...
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