Hangzhou Starred-River Machinery manufactures a full range of transmission machinery, including industrial gearboxes and gear reducers, backed by long-term R&D and strong patent output.
Hangzhou Starred-River Machinery Co.,Ltd is a transmission machinery manufacturer established in 1982, integrating scientific research, manufacturing, and sales. The company focuses on delivering complete varieties and specifications of drive solutions for industrial applications.
Its main products include industrial gearboxes, planetary gear reducers, cycloidal gear reducers, helical gearboxes, worm gearboxes, and conveyor pulleys—supporting customers who require dependable power transmission components across a broad range of operating conditions.
Committed to product innovation, the company has built a substantial intellectual property portfolio, obtaining 54 national patents since 2009, including invention, design, and utility model patents. Quality management is reinforced through ISO 9001 certification, and export products have achieved CE certification.

Hangzhou Starred-River Machinery integrates scientific research, manufacturing, and sales to support customers with end-to-end transmission machinery solutions.
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The company has implemented an ISO9001 international quality system and supports export requirements with CE-certified products.
Since 2009, the company has obtained 54 national patents, including invention, design, and utility model patents.