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Precision Engineering: Our ring gears are meticulously designed and manufactured to ensure precise performance and power transmission.
Strength and Durability: With high-quality materials and advanced manufacturing techniques, our ring gears are built to withstand demanding conditions.
Efficient Power Transmission: The design of our ring gears ensures efficient torque transfer and smooth operation in various applications.
Customization Options: We offer flexibility in designing and manufacturing ring gears to meet your specific requirements.

At Prior Gear, we have extensive experience serving esteemed clients such as China National Heavy Duty Truck Group (CNHTC), Sany Group, and XCMG. With over a decade of working with these renowned companies, we have gained valuable expertise in meeting the unique ring gear requirements of different industries, including road transportation, earthmoving, mining, agriculture, construction, and power generation sectors.
Our skilled team, equipped with advanced manufacturing capabilities and innovative technology, enables us to deliver custom OEM ring gears that meet stringent standards of precision, strength, and durability. From concept development and prototyping to production and rigorous quality control, we ensure that every ring gear we produce meets our high-quality standards.
Choose Prior Gear as your trusted partner for custom OEM ring gear manufacturing. With our industry experience, expertise, and commitment to delivering tailored gear solutions, we are dedicated to providing you with high-quality ring gears that precisely meet your specifications. Contact us today to discuss your specific ring gear requirements and benefit from our years of experience in serving esteemed clients in the industry."
Prior Gear

Prior Gear

Prior Gear, Founded in 2009, is a professional OEM RING GEARS suppliers and RING GEARS company, our cutting-edge production base houses a sophisticated range of 80 to 150 units of advanced machinery. This inclusive array comprises forging presses, CNC lathes, machining centers, high-speed gear hobbing machines, gear grinding machines, and specialized gear heat treatment equipment. We specialize in custom RING GEARS etc, Furthermore, our factory proudly holds IATF 16949 and ISO 9001 certifications, affirming our commitment to the highest standards of quality and efficiency.

lf you have a particular application you would like to discuss, please contact us.our experienced sales engineers are ready to help.

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With years of experience collaborating with exceptional enterprises like SANY and XCMG, Prior possesses the expertise to adeptly navigate every facet of the gear manufacturing process. From design inception to final delivery, we are unwavering in our commitment to fulfill your requirements and surpass your expectations at every stage of the journey.


EMAIL :   [email protected]

PHONE : +86 132 1205 7936

ADDRESS : No.1-3 Quanli Road, Feicheng Economic Area, Taian City, Shandong Province, China

Processing and Forming:
Extrusion Forming
CNC Machining
Gear Machining and Finishing:
Gear Grinding
Gear Rolling
Surface Grinding
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CNC Turning
CNC Mills & Machining Centers
Deburring Equipment
Drilling Machines
Gear Cutting Machines
Grinding Machines
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As a prominent OEM gear manufacturer committed to high-volume production, Prior thrives by nurturing a culture of ongoing innovation. Our emphasis on achieving superior quality and improved material utilization, along with cost and time savings for our clients, is exemplified by our adoption of advanced techniques like extrusion. 
Our extensive range of products includes speed reducer gears, oil gear pump gears, and gears for the construction, road transportation, mining, and agriculture industries. We have the capacity to produce over 300,000 gears monthly, including sun gears, planetary gears, ring gears, planet shafts, oil seal seats, oil pump gears, and other components
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At Prior, we offer a comprehensive range of gear engineering services to ensure precise and high-quality gear manufacturing.
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  • 2009

    Be established in

  • 3 million

    Annual output(pieces)

  • 60 +million

    Annual sales


Towards a better future with firm steps

  • 2009:

    Founded in Jinan, Shandong, China. Began small-scale automotive parts and components production and sales.

  • 2016:

    Production scale expanded and began supporting Pengxiang Automobile.

  • 2019:

    Built a new factory in Feicheng City, Tai'an City, and rebranded as Prior Gear

  • 2020:

    Provided support to Liuzhou Fangsheng Axle, China National Heavy Duty Truck Group, and developed new techniques for precision gear manufacturing and precision gear ring manufacturing.

  • 2021:

    Provided support to XCMG and Hande Axle. 

  • 2022:

    Awarded the title of high-tech enterprise in Tai'an City. Achieved sales revenue of 60 million yuan.


Provide you with the latest enterprise and industry news

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Industry Knowledge Expansion
Ring gears, also known as ring gear drives or simply ring gears, are a type of gear arrangement commonly used in various applications to transmit power, create rotational motion, or control mechanical systems. They consist of an outer ring with internal teeth (gear teeth) that mesh with a pinion or gear shaft to achieve a specific purpose.

Ring gears serve various functions in mechanical systems, depending on the specific application and design. Here are some of the primary functions and roles of ring gears:
1.Rotational Motion Transfer: Ring gears are used to transfer rotational motion from one component (e.g., a pinion or a gear shaft) to another. When the input component rotates, it meshes with the internal teeth of the ring gear, causing the ring gear to rotate.
2.Direction Control: Ring gears can be used to control the direction of rotation in mechanical systems. By changing the direction of rotation of the input component (e.g., reversing the rotation of the pinion), you can control the direction of the ring gear's rotation.
3.Speed Reduction: Ring gears are often used to reduce the rotational speed of the input component while increasing the output torque. This is commonly seen in gear reduction systems where the ring gear acts as the output gear, and the pinion is the input gear.
4.Planetary Gear Systems: Ring gears play a crucial role in planetary gear systems, where they act as the stationary component. Planet gears and a sun gear rotate around the ring gear, providing various gear ratios and allowing complex motion control.
5.Slewing or Rotation: Large-diameter ring gears are used in heavy machinery like cranes, excavators, and turntable bearings. These applications enable 360-degree rotation or slewing of equipment.
6.Gear Drives: Ring gears are integral to various gear drive systems, including worm gear drives, where the rotation of the worm gear meshes with the teeth of the ring gear.
7.Material Handling: In conveyor systems and material handling equipment, ring gears control the movement of belts, pulleys, or other components used for transporting goods.
8.Robotic Motion: Ring gears are used in robotic systems to control the rotation of joints, allowing robots to move in multiple axes and perform complex tasks.
9.Renewable Energy: In wind turbine systems, ring gears are used to control the orientation of turbine blades into the wind, optimizing power generation.
10.Automotive Transmissions: In vehicles, ring gears are part of the transmission system, where they help control the engagement of different gears and drive modes, allowing forward and reverse motion.
11.Turntables and Lazy Susans: Smaller ring gears are commonly used in household applications, such as turntables and Lazy Susans, to enable smooth, circular rotation.
12.Mechanical Systems: Ring gears are used in a wide range of mechanical systems, such as printing presses, packaging equipment, and manufacturing machinery, to control motion and power transmission.

The functions of ring gears are versatile, and their design and application can vary widely based on the specific requirements of the system in which they are used. Ring gears are essential components that help control motion, change speed, and manage torque in various mechanical applications across industries.

Ring gears themselves do not control the direction of rotation; instead, they are typically driven by a pinion or another gear component. The direction of rotation is primarily determined by the input gear, such as the pinion, and the way it meshes with the ring gear.

To control the direction of rotation in a system that involves ring gears, you would manipulate the input gear (e.g., the pinion) that meshes with the ring gear. By changing the direction or orientation of the input gear, you can alter the direction of rotation of the ring gear. Here are two common scenarios:
1.Reversing Rotation: If the input gear rotates in one direction, it will cause the ring gear to rotate in the same direction. If you want to reverse the rotation of the ring gear, you can simply reverse the direction of the input gear. This is often used in applications like automotive transmissions, where changing gear selections alters the direction of the output shaft's rotation.
2.Planetary Gear Systems: In planetary gear systems, the ring gear is typically held stationary, while both the sun gear (center gear) and the planet gears (meshed between the sun gear and the ring gear) can rotate. By controlling the direction and speed of the sun gear and planet gears, you can control the direction of the output (the carrier), which may also be connected to a ring gear. This is commonly used in automatic transmissions and various mechanical systems.

So, while the ring gear itself doesn't control direction, its rotation is influenced by the input gear or gears that mesh with it. By controlling the input gears, you can effectively control the direction of rotation of a system involving ring gears.