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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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  • 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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  • Daily maintenance measures for single screw extruder

    Daily maintenance measures for single screw extruder

    As a common extruder equipment, the single-screw extruder is used in the plastics processing industry. The single-screw extruder is mainly used to extrude thermoplastics such as soft and hard polyvinyl chloride and polyethylene, and can process a variety of plastic products. , such as blown film,...
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  • What are the advantages and disadvantages of helical gear reducer and worm gear reducer?

    Helical Gear transmission – mainly relies on the tooth profile of the driving gear to push the tooth profile of the driven gear to achieve transmission. Worm gear transmission – mainly relies on the sliding friction of the tooth surface when the active worm worm gear meshes, so that t...
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  • How to use the speed reducer

    How to use the speed reducer

    The reducer is a mechanical transmission device in many fields of the national economy. The product categories involved in the industry include all kinds of gear reducers, planetary gear reducers, worm gear reducers, and various special transmission devices, such as speed increasing devices, spee...
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  • Various types of reducer characteristics

    Various types of reducer characteristics

    The reducer is a relatively precise machine that matches the rotational speed and transmits torque between the prime mover and the working machine or actuator. Its purpose is to reduce the speed and increase the torque. There are many types and models, and different types have different uses. The...
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