About Us

Company Profile

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.

Our main products include R/S/K/F four series helical gear reducers, worm gear reducers, standard HB industrial gear reducers and P/RP planetary gear reducers these standard series which power covers from 120 watt to 9550 kilowatt. Besides, we also could supply a variety of dedicated, combination and nonstandard design products. These all are the most commonly used deceleration drive device in the field of industrial power transmission in the world.


Our Culture

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.





Our Advantage


Company have technical strength that could catch up with and surpass the world advanced level because we always bring in new equipment and technology, and we have excellent talents into the development and research. By this way, our products own excellent quality on technical performance,internal structure and appearance.Our company has offices in domestic central cities, and gradually expand foreign service network. Our products export to Japan, America, European Union, Russia, South America, Middle East, Africa, Southeast Asia and so on which more than 20 countries and regions, with outstanding achievements.

Why Choose Us

RED SUN is a professional company specialized in researching, developing manufacturing and selling gearboxes which was referred by machinery industry Ministry. It is the ISO9001 certification enterprises.The products combined more than 10 series gearboxes with thousands of specifications, which include RXG shaft mounted gear units, R Rigid tooth flank helical gear units, S Helical-worm gear units, K Helical-bevel gear units, F Parallel shaft helical gear units, T Spiral bevel gear units, SWL, JW Worm screw jack H.B Rigid tooth flank gear units, P Planetary gear units, RV Worm reducer. These products are slowdown drive device that is commonly adopted in the field of current international industrial transmission.