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Founded in 1991, Ningbo Sunrun Bicycle Co., ltd & Its branch company Ningbo Tongkin Technology Co., Ltd.

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Shifter Transmission Group Set Series Factory
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Shifter Transmission Group Set SeriesShifter Transmission Group Set Series

Shifter Transmission Group Set Series Manufacturer

Bicycle shifting transmission kit series contains a series of accessories such as controller, front derailleur, rear derailleur, flywheel, axle skin, sprocket crank, brake and other components combined into the shifting transmission system, our company focuses on providing one-stop solution for bicycle shifting transmission kit system, which makes the bicycle easier and faster to assemble and use, and the function is more perfect and smooth, and after-sales service will also become more convenient and smooth.
Ningbo Tongkin Technology Co., Ltd.
About SunRun

Ningbo Tongkin Technology Co., Ltd. is a China Shifter Transmission Group Set Series Manufacturer and Shifter Transmission Group Set Series Factory, was founded in 1991, specializing in the production of bicycle transmission systems, braking systems and other components. The leading products include a series of derailleurs, variable speed flywheels, high-end cassette hubs, disc brakes, brake components, cranksets and more than 300 varieties in six categories.

In 2015, in response to Made in China 2025, the company established Ningbo Dongjin Technology Co., Ltd. to develop a new internal and external variable speed transmission system, entering the first echelon of the domestic industry. "Chicheng wheel industry, quality first" is the pursuit of quality by Richeng people. The company has introduced internationally advanced key technologies such as precision cold forging, CNC machining, heat treatment, and multi-station stamping to develop transmissions with Richeng characteristics. , transmission kit, sales volume leads domestic peers. The registered brands SUNRUN, TONGKEEN and HEMU enjoy high reputation in domestic and foreign markets. The company has independent export rights, and its products are exported to Europe, North America, Central and South America, Africa, Southeast Asia and other countries and regions. Xu Mingqiang, chairman of the company, sincerely invites domestic and foreign merchants to come for negotiation and guidance.

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Shifter Transmission Group Set Series Industry knowledge

What are the applications of Shifter Transmission Group Set Series in the field of new energy vehicles?

Shifter Transmission Group Set Series has a wide range of applications in the field of new energy vehicles. The following are some main application scenarios:
Pure electric vehicles:
Shifter Transmission Group Set Series can provide efficient transmission solutions for pure electric vehicles, optimizing power output and energy consumption.
Improve driving smoothness and comfort through precise shifting logic and fast response speed.
hybrid electric vehicle:
In hybrid vehicles, the Shifter Transmission Group Set Series can work together with the electric motor and internal combustion engine to achieve the best match of the power system.
Through intelligent energy management strategies, optimal power output and energy consumption control can be achieved in different driving modes.
Plug-in hybrid vehicles:
For plug-in hybrid vehicles, the Shifter Transmission Group Set Series needs to be able to adapt to switching between pure electric and hybrid modes to ensure a smooth driving experience.
Through optimized control of the transmission, the cruising range and energy efficiency of plug-in hybrid vehicles can be further improved.
Extended range electric vehicles:
In range-extended electric vehicles, the Shifter Transmission Group Set Series needs to work with a range extender (usually a small generator) to ensure that power can continue to be provided when the battery is exhausted.
Through reasonable transmission control strategies, the overall energy efficiency and driving performance of extended-range electric vehicles can be improved.
In addition, with the continuous development of new energy vehicle technology, Shifter Transmission Group Set Series is also constantly undergoing technological innovation and optimization to adapt to higher energy efficiency requirements, smarter driving assistance systems and stricter environmental standards. These innovations may include more advanced shifting logic, lighter material applications, more efficient energy recovery systems, etc.
Therefore, Shifter Transmission Group Set Series has extensive and diversified applications in the field of new energy vehicles, providing important technical support for the development of new energy vehicles.