# Zhejiang Donghai Reducer Co., Ltd. - Transmission Solutions

> Discover DongHai® – Your Partner in High-Quality Gear Motors and Gearboxes. Explore our extensive range of industrial solutions for automation, steel, cement, and more. Shop now for reliable, intelligent transmission equipment.

## Home

- [Home](https://www.dhgearmotor.com/)

## About Us

- [About Us](https://www.dhgearmotor.com/about.html)
- [Our Advantages](https://www.dhgearmotor.com/about/our-advantages.html)
- [Send Inquiry](https://www.dhgearmotor.com/message.html)
- [Contact Us](https://www.dhgearmotor.com/contact.html)

## Products

- [Products](https://www.dhgearmotor.com/products.html)
- [Gear Motor](https://www.dhgearmotor.com/gear-motor)
- [Gear Box](https://www.dhgearmotor.com/gear-box)
- [Custom OEM Gear Motor](https://www.dhgearmotor.com/custom-oem-gear-motor)
- [P Series Parallel Shaft Helical Gear Motor](https://www.dhgearmotor.com/p-series-parallel-shaft-helical-gear-motor)
- [D Series Solid Shaft Helical Gear Motor](https://www.dhgearmotor.com/d-series-solid-shaft-helical-gear-motor)
- [T Series Helical Bevel Gear Motor](https://www.dhgearmotor.com/t-series-helical-bevel-gear-motor)
- [E Series Helical Worm Gear Motor](https://www.dhgearmotor.com/e-series-helical-worm-gear-motor)
- [DQM Series Gear Motor for Hoist](https://www.dhgearmotor.com/dqm-series-gear-motor-for-hoist)
- [DHTC Series for Car Parking System](https://www.dhgearmotor.com/dhtc-series-for-car-parking-system)
- [DM Series Heavy Load Solid Shaft Helical Gear Motor](https://www.dhgearmotor.com/dm-series-heavy-load-solid-shaft-helical-gear-motor)
- [QYJ Series Helical Gear Box](https://www.dhgearmotor.com/qyj-series-helical-gear-box)
- [HD Series Bevel Geared Unit](https://www.dhgearmotor.com/hd-series-bevel-geared-unit)
- [P Series Parallel Shaft Helical Standard AC Gear Motor](https://www.dhgearmotor.com/p-series-parallel-shaft-helical-standard-ac-gear-motor.html)
- [P Series Parallel Shaft Helical Variable Speed Gear Motor](https://www.dhgearmotor.com/p-series-parallel-shaft-helical-variable-speed-gear-motor.html)
- [P Series Parallel Shaft Helical Standard AC Gear Motor with Brake](https://www.dhgearmotor.com/p-series-parallel-shaft-helical-standard-ac-gear-motor-with-brake.html)
- [P Series Parallel Shaft Helical Variable Speed Gear Motor with Brake](https://www.dhgearmotor.com/p-series-parallel-shaft-helical-variable-speed-gear-motor-with-brake.html)
- [D Series Solid Shaft Helical Standard AC Gear Motor](https://www.dhgearmotor.com/d-series-solid-shaft-helical-standard-ac-gear-motor.html)
- [D Series Solid Shaft Helical Variable Speed Gear Motor](https://www.dhgearmotor.com/d-series-solid-shaft-helical-variable-speed-gear-motor.html)
- [D Series Solid Shaft Helical Standard AC Gear Motor with Brake](https://www.dhgearmotor.com/d-series-solid-shaft-helical-standard-ac-gear-motor-with-brake.html)
- [D Series Solid Shaft Helical Variable Speed Gear Motor with Brake](https://www.dhgearmotor.com/d-series-solid-shaft-helical-variable-speed-gear-motor-with-brake.html)
- [T Series Helical Bevel Standard AC Gear Motor](https://www.dhgearmotor.com/t-series-helical-bevel-standard-ac-gear-motor.html)
- [T Series Helical Bevel Variable Speed Gear Motor](https://www.dhgearmotor.com/t-series-helical-bevel-variable-speed-gear-motor.html)
- [T Series Helical Bevel Standard AC Gear Motor with Brake](https://www.dhgearmotor.com/t-series-helical-bevel-standard-ac-gear-motor-with-brake.html)
- [T Series Helical Bevel Variable Speed Gear Motor With Brake](https://www.dhgearmotor.com/t-series-helical-bevel-variable-speed-gear-motor-with-brake.html)
- [E Series Helical Worm Standard AC Gear Motor](https://www.dhgearmotor.com/e-series-helical-worm-standard-ac-gear-motor.html)
- [E Series Helical Worm Variable Speed Gear Motor](https://www.dhgearmotor.com/e-series-helical-worm-variable-speed-gear-motor.html)
- [E Series Helical Worm Standard AC Gear Motor with Brake](https://www.dhgearmotor.com/e-series-helical-worm-standard-ac-gear-motor-with-brake.html)
- [E Series Helical Worm Variable Speed Gear Motor with Brake](https://www.dhgearmotor.com/e-series-helical-worm-variable-speed-gear-motor-with-brake.html)
- [DQM Series Gear Motor for Hoist Lifting](https://www.dhgearmotor.com/dqm-series-gear-motor-for-hoist-lifting.html)
- [DQP Series Gear Motor for Hoist Driving](https://www.dhgearmotor.com/dqp-series-gear-motor-for-hoist-driving.html)
- [Elevating DHTC Series Reducer](https://www.dhgearmotor.com/elevating-dhtc-series-reducer.html)
- [DHTC Series Gearbox for Vertical Garages](https://www.dhgearmotor.com/dhtc-series-gearbox-for-vertical-garages.html)
- [DM Series Heavy Load Solid Shaft Shaft Helical Standard AC Gear Motor](https://www.dhgearmotor.com/dm-series-heavy-load-solid-shaft-shaft-helical-standard-ac-gear-motor.html)
- [DM Series Heavy Load Solid Shaft Helical Variable Speed Gear Motor](https://www.dhgearmotor.com/dm-series-heavy-load-solid-shaft-helical-variable-speed-gear-motor.html)
- [DM Series Heavy Load Solid Shaft Helical Standard AC Gear Motor With Brake](https://www.dhgearmotor.com/dm-series-heavy-load-solid-shaft-helical-standard-ac-gear-motor-with-brake.html)
- [DM Series Heavy Load Solid Shaft Helical Variable Speed Gear Motor With Brake](https://www.dhgearmotor.com/dm-series-heavy-load-solid-shaft-helical-variable-speed-gear-motor-with-brake.html)
- [QYJ Series Parallel Shaft Helical Gear Box](https://www.dhgearmotor.com/qyj-series-parallel-shaft-helical-gear-box.html)
- [QYJ Series Helical Bevel Gear Box](https://www.dhgearmotor.com/qyj-series-helical-bevel-gear-box.html)
- [HD Series Bevel Geared Unit Standard](https://www.dhgearmotor.com/hd-series-bevel-geared-unit-standard.html)
- [﹣40℃ Low-Temperature Gearbox](https://www.dhgearmotor.com/-40-low-temperature-gearbox.html)
- [﹣40℃ Low-Temperature Gear Motor](https://www.dhgearmotor.com/-40-low-temperature-gear-motor.html)
- [Other Cusomized Gear Motor](https://www.dhgearmotor.com/other-cusomized-gear-motor.html)

## News

- [News](https://www.dhgearmotor.com/news.html)
- [Company News](https://www.dhgearmotor.com/news/company-news)
- [Industry News](https://www.dhgearmotor.com/news/industry-news)
- [FAQ](https://www.dhgearmotor.com/news/faq)
- [What Are the Mounting Options for the HD Series Bevel Geared Unit: Foot, Flange, Shaft, and Hollow Shaft Configurations?](https://www.dhgearmotor.com/news/what-are-the-mounting-options-for-the-hd-series-bevel-geared-unit-foot-flange-shaft-and-hollow-shaft-configurations.html)
- [What Is A P Series Parallel Shaft Helical Gear Motor And How Does It Transmit Power?](https://www.dhgearmotor.com/news/what-is-a-p-series-parallel-shaft-helical-gear-motor-and-how-does-it-transmit-power.html)
- [Why Choose DQM Series Gear Motor for Hoist?](https://www.dhgearmotor.com/news/why-choose-dqm-series-gear-motor-for-hoist.html)
- [What Makes P Series Parallel Shaft Helical Gear Motors Ideal for Industrial Applications?](https://www.dhgearmotor.com/news/what-makes-p-series-parallel-shaft-helical-gear-motors-ideal-for-industrial-applications.html)
- [Zhejiang Donghai reducer participated in the 2025 China (Zhengzhou) Heavy Machinery Equipment Exhibition](https://www.dhgearmotor.com/news/zhejiang-donghai-reducer-participated-in-the-2025-china-zhengzhou-heavy-machinery-equipment-exhibition.html)
- [What you need to know about geared motors](https://www.dhgearmotor.com/news/what-you-need-to-know-about-geared-motors.html)
- [How Does a T Series Helical Bevel Gear Motor Improve Industrial Efficiency?](https://www.dhgearmotor.com/news/how-does-a-t-series-helical-bevel-gear-motor-improve-industrial-efficiency.html)
- [hydropower project in the lower reaches of the Yarlung Zangbo River](https://www.dhgearmotor.com/news/hydropower-project-in-the-lower-reaches-of-the-yarlung-zangbo-river.html)
- [How do T Series Helical Bevel Variable Speed Gear Motors affect each other?](https://www.dhgearmotor.com/news/how-do-t-series-helical-bevel-variable-speed-gear-motors-affect-each-other.html)
- [How to choose QYJ Series Helical Bevel Gear Box？](https://www.dhgearmotor.com/news/how-to-choose-qyj-series-helical-bevel-gear-box.html)
- [Investment Cooperation Situation of China with the Countries along the Belt and Road Initiative from January to March 2025](https://www.dhgearmotor.com/news/investment-cooperation-situation-of-china-with-the-countries-along-the-belt-and-road-initiative-from-january-to-march-2025.html)
- [Why Can DQM Series Gear Motor Become A Stable Power Source For Lifting Equipment?](https://www.dhgearmotor.com/news/why-can-dqm-series-gear-motor-become-a-stable-power-source-for-lifting-equipment.html)
- [Why Do Buyers Favor DQP Series Gear Motor For Hoist Driving?](https://www.dhgearmotor.com/news/why-do-buyers-favor-dqp-series-gear-motor-for-hoist-driving.html)
- [What Kind Of Reducer Is Worthy Of The High-Demand Car Lifting System?](https://www.dhgearmotor.com/news/what-kind-of-reducer-is-worthy-of-the-high-demand-car-lifting-system.html)
- [How Does This DHTC Series Gearbox Make The Operation Of The Stereo Garage More Stable?](https://www.dhgearmotor.com/news/how-does-this-dhtc-series-gearbox-make-the-operation-of-the-stereo-garage-more-stable.html)
- [Batch Delivery of the world's largest tonnage all-terrain cranes](https://www.dhgearmotor.com/news/batch-delivery-of-the-world-s-largest-tonnage-all-terrain-cranes.html)
- [Why Can The Qyj Series Parallel Shaft Helical Gear Reducer Stand Out In Heavy-Duty Transmission?](https://www.dhgearmotor.com/news/why-can-the-qyj-series-parallel-shaft-helical-gear-reducer-stand-out-in-heavy-duty-transmission.html)
- [Why Is QYJ Series Helical Bevel Gear Box An Ideal Choice For Heavy-Duty Transmission Scenarios?](https://www.dhgearmotor.com/news/why-is-qyj-series-helical-bevel-gear-box-an-ideal-choice-for-heavy-duty-transmission-scenarios.html)
- [Is the HD Series Bevel Geared Unit Standard The Key Power Component Missing In Your Industrial System?](https://www.dhgearmotor.com/news/is-the-hd-series-bevel-geared-unit-standard-the-key-power-component-missing-in-your-industrial-system.html)
- [Why Should You Choose ﹣40℃ Low-Temperature Gearbox When Working In Cold Environments?](https://www.dhgearmotor.com/news/why-should-you-choose-40-low-temperature-gearbox-when-working-in-cold-environments.html)
- [Why Are More And More Engineering Projects Choosing ﹣40℃ Low-Temperature Gear Motor?](https://www.dhgearmotor.com/news/why-are-more-and-more-engineering-projects-choosing-40-low-temperature-gear-motor.html)
- [What is the difference between spur gear and helical gear reducer motors?](https://www.dhgearmotor.com/news/what-is-the-difference-between-spur-gear-and-helical-gear-reducer-motors.html)
- [Assembly and disassembly of gearbox](https://www.dhgearmotor.com/news/assembly-and-disassembly-of-gearbox.html)
- [How to install the reducer gear](https://www.dhgearmotor.com/news/how-to-install-the-reducer-gear.html)

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