Zhejiang Shuanghuan Driveline Co., Ltd.

Electric drive gear product series for pure electric vehicles (EV) in passenger car applications, designed for electric drive/reducer assemblies of new energy passenger cars.

Gear accuracy reaches ISO class 6; successfully solves the three-section distortion problem in gear grinding; effectively reduces transmission noise; customers include Volkswagen, GM, Ford, ZF, BorgWarner, FAW, SAIC, GAC, BYD, Toyota, etc.; suitable for gears and gear shafts in pure electric (EV) drive systems.

• Pure electric passenger car electric drive assembly
• New energy passenger car reducer/transmission
• New energy passenger car powertrain

Dedicated hybrid (HEV) gear product series for passenger car applications, matched to the power coupling and transmission mechanisms of hybrid passenger cars.

Gear accuracy reaches ISO class 6; successfully solves the three-section distortion problem in gear grinding; effectively reduces transmission noise; customers include Volkswagen, GM, Ford, ZF, BorgWarner, FAW, SAIC, GAC, BYD, Toyota, etc.; suitable for hybrid (HEV) powertrains.

• Hybrid passenger car transmission
• Hybrid passenger car electric drive assembly

DHT (dedicated hybrid transmission) gear product series for passenger car applications, developed for dedicated hybrid transmission assemblies.

Gear accuracy reaches ISO class 6; successfully solves the three-section distortion problem in gear grinding; effectively reduces transmission noise; customers include Volkswagen, GM, Ford, ZF, BorgWarner, FAW, SAIC, GAC, BYD, Toyota, etc.; suitable for DHT dedicated hybrid transmissions.

• DHT dedicated hybrid transmission
• Plug-in hybrid passenger car

AT (hydraulic automatic transmission) gear product series for passenger car applications, an important supporting product for domestic automatic transmission gears.

Gear accuracy reaches ISO class 6; successfully solves the three-section distortion problem in gear grinding; effectively reduces transmission noise; customers include Volkswagen, GM, Ford, ZF, BorgWarner, FAW, SAIC, GAC, BYD, Toyota, etc.; suitable for AT automatic transmissions.

• Passenger car AT automatic transmission
• Automatic transmission assembly

DCT (dual-clutch transmission) gear product series for passenger car applications, supporting dual-clutch automatic transmission assemblies.

Gear accuracy reaches ISO class 6; successfully solves the three-section distortion problem in gear grinding; effectively reduces transmission noise; customers include Volkswagen, GM, Ford, ZF, BorgWarner, FAW, SAIC, GAC, BYD, Toyota, etc.; suitable for DCT dual-clutch transmissions.

• Passenger car DCT dual-clutch transmission
• Automatic transmission assembly

CVT (continuously variable transmission) gear shaft product series for passenger car applications, supplying core gear and shaft parts for continuously variable transmissions.

Gear accuracy reaches ISO class 6; successfully solves the three-section distortion problem in gear grinding; effectively reduces transmission noise; customers include Volkswagen, GM, Ford, ZF, BorgWarner, FAW, SAIC, GAC, BYD, Toyota, etc.; suitable for CVT continuously variable transmissions.

• Passenger car CVT continuously variable transmission
• Automatic transmission assembly

Transfer case gear series for passenger car applications, used in the power distribution mechanism of the transfer case/transfer gearbox of four-wheel-drive models.

Gear accuracy reaches ISO class 6; successfully solves the three-section distortion problem in gear grinding; effectively reduces transmission noise; customers include Volkswagen, GM, Ford, ZF, BorgWarner, FAW, SAIC, GAC, BYD, Toyota, etc.; suitable for transfer cases (transfer gearboxes).

• Four-wheel-drive passenger car transfer case
• Transfer case assembly

Engine ring gear products for passenger car applications, ring-gear type parts used for engine starting and signal coordination.

Gear accuracy reaches ISO class 6; successfully solves the three-section distortion problem in gear grinding; effectively reduces transmission noise; customers include Volkswagen, GM, Ford, ZF, BorgWarner, FAW, SAIC, GAC, BYD, Toyota, etc.; suitable for passenger car engine assemblies.

• Passenger car engine
• Engine starting system

Synchronizer products for passenger car applications, small-assembly type parts used in the shift synchronization mechanism of transmissions.

Gear accuracy reaches ISO class 6; successfully solves the three-section distortion problem in gear grinding; effectively reduces transmission noise; customers include Volkswagen, GM, Ford, ZF, BorgWarner, FAW, SAIC, GAC, BYD, Toyota, etc.; a small-assembly type product, suitable for the shift synchronization mechanism of manual/automatic transmissions.

• Passenger car manual transmission
• Passenger car automatic transmission
• Shift synchronization mechanism

Differential products (including differential gears and small assemblies) for passenger car applications, used for torque distribution in drive axles.

Gear accuracy reaches ISO class 6; successfully solves the three-section distortion problem in gear grinding; effectively reduces transmission noise; customers include Volkswagen, GM, Ford, ZF, BorgWarner, FAW, SAIC, GAC, BYD, Toyota, etc.; a small-assembly type product, suitable for differential mechanisms of drive axles/transmissions.

• Passenger car drive axle differential
• Passenger car transmission differential mechanism

Planetary gear set (planetary gear mechanism) products for passenger car applications, small-assembly type, used in planetary gear transmissions of automatic transmissions.

Gear accuracy reaches ISO class 6; successfully solves the three-section distortion problem in gear grinding; effectively reduces transmission noise; customers include Volkswagen, GM, Ford, ZF, BorgWarner, FAW, SAIC, GAC, BYD, Toyota, etc.; a small-assembly type product, suitable for planetary gear transmission mechanisms.

• Passenger car automatic transmission planetary mechanism
• Hybrid power coupling mechanism

Scissor gear products for passenger car applications, small-assembly type parts used in backlash-elimination/connecting gear structures inside transmissions.

Gear accuracy reaches ISO class 6; successfully solves the three-section distortion problem in gear grinding; effectively reduces transmission noise; customers include Volkswagen, GM, Ford, ZF, BorgWarner, FAW, SAIC, GAC, BYD, Toyota, etc.; a small-assembly type product, suitable for internal connecting and backlash-elimination structures of transmissions.

• Passenger car transmission
• Transmission backlash-elimination gear mechanism

Gearbox gear shaft product series for commercial vehicle applications, supplying gear and shaft parts for commercial vehicle transmission assemblies.

Product range covers China VI engine gears, automatic transmission gears, axle gears, etc.; gears produced by gear grinding can stably reach ISO class 5 at their highest accuracy; customers include ZF, Eaton, Cummins, Allison, Fiat, Sinotruk, FAW, etc.; suitable for commercial vehicle transmission assemblies.

• Commercial vehicle transmission (gearbox)
• Commercial vehicle powertrain system

Engine gear product series for commercial vehicle applications, meeting the supply requirements of commercial vehicle engines at the China VI emission stage.

Product range covers China VI engine gears, automatic transmission gears, axle gears, etc.; gears produced by gear grinding can stably reach ISO class 5 at their highest accuracy; customers include ZF, Eaton, Cummins, Allison, Fiat, Sinotruk, FAW, etc.; suitable for China VI commercial vehicle engines.

• China VI commercial vehicle engine
• Commercial vehicle powertrain

Automatic transmission gear product series for commercial vehicle applications, supporting commercial vehicle automatic transmission assemblies.

Product range covers China VI engine gears, automatic transmission gears, axle gears, etc.; gears produced by gear grinding can stably reach ISO class 5 at their highest accuracy; customers include ZF, Eaton, Cummins, Allison, Fiat, Sinotruk, FAW, etc.; suitable for commercial vehicle automatic transmissions (AT/AMT).

• Commercial vehicle automatic transmission
• Commercial vehicle powertrain system

Engine gear product series for the off-road machinery gear application field, serving engine supply for off-road machinery such as construction machinery and agricultural machinery.

Products meet the operating requirements of off-road machinery ranging from 85 to 200 horsepower; product quality is consistently at an internationally advanced and domestically leading level; customers include John Deere, Caterpillar, Liebherr, AGCO, XCMG, etc.; suitable for off-road machinery engines.

• Off-road mobile machinery engine
• Construction machinery and agricultural machinery

Construction machinery gear product series for off-road machinery applications, including output shaft gears of large-module reduction gearboxes.

Products meet the operating requirements of off-road machinery ranging from 85 to 200 horsepower; product quality is consistently at an internationally advanced and domestically leading level; customers include John Deere, Caterpillar, Liebherr, AGCO, XCMG, etc.; includes output shaft gears of large-module reduction gearboxes.

• Construction machinery transmission system
• Off-road machinery reduction gearbox

Small-module spiral bevel gear series for power tool applications, widely used in products such as angle grinders and cut-off saws.

Precision small-module cylindrical gears below module 2.5 mm can be finish-machined in tooth profile on both soft and hardened tooth flanks, with machining accuracy consistently at ISO class 5, and a minimum machined module of 0.1 mm; small-module spiral bevel gears below module 3.0 mm; rotor shaft gear speed can reach 30,000 rpm.

• Angle grinder
• Cut-off saw
• Power tool transmission system

Small-module cylindrical gear/rotor shaft gear series for power tool applications, supplying internationally renowned power tool brands.

Precision small-module cylindrical gears below module 2.5 mm can be finish-machined in tooth profile on both soft and hardened tooth flanks, with machining accuracy consistently at ISO class 5, and a minimum machined module of 0.1 mm; small-module spiral bevel gears below module 3.0 mm; rotor shaft gear speed can reach 30,000 rpm.

• Power tool transmission system
• Power tool rotor shaft
• Angle grinders and cut-off saws

Through joint efforts with Germany's ZF since 2014, the company passed the CRCC audit of the Railway Administration and CRRC in November 2015, officially becoming the only domestic supplier of key high-speed rail components and entering Voith's supply chain system.

Passed the CRCC audit of the Railway Administration and CRRC, becoming the only domestic supplier of key high-speed rail components; products are successfully applied on multiple high-speed rail and metro lines in Shenzhen, Chengdu, Xiamen and other cities, as well as in the Philippines, Italy and other countries; customers include ZF and Voith.

• High-speed rail (high-speed EMU) transmission system
• Urban metro vehicles
• Rail transit gearbox

Wind turbine main shaft type products for wind power applications, supporting wind turbine gearboxes and main unit transmission systems.

Gear accuracy for wind turbine speed-increasing gearboxes is required to be GB class 5; tooth flank roughness within 0.5 (the highest requirement for high-speed gear tooth flank roughness is Ra 0.2); special process controls such as ultrasonic testing, magnetic particle testing and grinding burn control are implemented; phased-array testing of finished products is introduced to avoid the risk of tooth breakage.

• Wind power gearbox
• Wind turbine generator transmission system

In 2020 Shuanghuan Driveline cooperated with Envision Energy to develop the 2400+ gearbox project, forming a gear product series for the wind power field.

Gear accuracy for wind turbine speed-increasing gearboxes is required to be GB class 5; tooth flank roughness within 0.5 (the highest requirement for high-speed gear tooth flank roughness is Ra 0.2); customers include Envision Energy and Kangmaier.

• Wind power gearbox (speed-increasing gearbox)
• Wind turbine generator set

The company began participating in the development and manufacture of high-end motorcycle engine gears in 1993, and has been committed for many years to meeting customers' requirements for high-speed, low-noise products.

Motorcycles equipped with these products are exported in volume to Japan, Europe, America and Southeast Asia, with quality reaching the domestically advanced level; multi-variety, large-scale and automated production has been established, with an annual output of 5 million pieces; in 2019 the company participated in the synchronous development of new energy motorcycles and high-end electric bicycles; customers include Dachangjiang, CFMOTO, Yamaha, Peugeot of France, Taiwan Motive Power, etc.

• Motorcycle engine and transmission
• High-end electric bicycle
• New energy motorcycle

All-terrain vehicle (ATV) gear product series for motorcycle and beach buggy applications, serving ATV transmission systems.

Meets the product requirements of high speed and low noise; achieves multi-variety, large-scale and automated production; quality reaches the domestically advanced level.

• All-terrain vehicle (ATV) transmission system
• Beach buggy transmission mechanism

Planetary ring gear products for passenger cars/transmissions, listed on the official website product detail page, serving as the key internal ring gear part of planetary gear mechanisms.

Helical broaching process is adopted, broaching 4 pieces at a time, with gear accuracy after broaching guaranteed at DIN 7; face teeth are produced on gear milling equipment, using fly cutter machining to create face slots and inclined bottom slots, replacing conventional machining-centre slot milling; thermal face deburring is used to solve the difficulty of removing milling burrs; tooth profile chamfering uses electrochemical deburring instead of conventional machining, with no turn-over edges, no sharp edges and smooth arc transitions; tooth flanks use a roller burnishing process to increase material bearing ratio and reduce meshing noise.

• Automatic transmission planetary gear mechanism
• Passenger car/commercial vehicle transmission

Sun gear products for transmissions, listed on the official website product detail page, serving as the core external-tooth part of planetary gear mechanisms.

Helical broaching process is adopted, broaching 4 pieces at a time, with gear accuracy after broaching guaranteed at DIN 7; face teeth are produced on gear milling equipment, using fly cutter machining to create face slots and inclined bottom slots; thermal face deburring and electrochemical deburring for tooth profile chamfering are used, with no turn-over edges, no sharp edges and smooth arc transitions; tooth flanks use a roller burnishing process to increase material bearing ratio and reduce meshing noise.

• Automatic transmission planetary gear mechanism
• Passenger car/commercial vehicle transmission

Long sun gear assembly products, listed on the official website product detail page, belonging to the gear assembly product category.

Listed according to the official website product detail page (process highlights/product parameters); a gear assembly type part, which can be custom-developed according to customer requirements.

• Transmission planetary gear mechanism
• Passenger car/commercial vehicle drive assembly

Main reducer gear welded assembly products, listed on the official website product detail page, belonging to the welded gear assembly product category.

Listed according to the official website product detail page (process highlights/product parameters); a gear assembly formed by a welded combination process.

• Drive axle main reducer
• Passenger car/commercial vehicle transmission system

The precision cycloidal reducer C series (SHPR-C) from Zhejiang Huandong Robot Joint Technology Co., Ltd. (a member enterprise of the Shuanghuan Driveline group) is a two-stage reducer composed of a first-stage planetary gear reducer and a rear-stage cycloidal pin wheel reducer, featuring high precision, large speed ratio, high rigidity, high overload capacity and long service life.

Two-stage reduction structure (first-stage planetary gears + rear-stage cycloidal pin wheel); one full revolution of the crankshaft makes the cycloidal wheel rotate one tooth in the opposite direction; Huandong Technology provides customers with complete high-precision reducer solutions covering robots with 3-1000 kg loads; more than 50 patent applications; participation in drafting more than 20 national/industry/enterprise standards; more than 40 reducer models available; other models can be custom-developed.

• Industrial robot
• Medical equipment
• Wind power generation
• Radar
• Solar energy
• Aerospace

The precision cycloidal reducer E series (SHPR-E) from Zhejiang Huandong Robot Joint Technology Co., Ltd. is a two-stage reducer composed of a first-stage planetary gear reducer and a rear-stage cycloidal pin wheel reducer, with low vibration, low noise and low energy consumption.

Two-stage reduction structure (first-stage planetary gears + rear-stage cycloidal pin wheel); one full revolution of the crankshaft makes the cycloidal wheel rotate one tooth in the opposite direction; Huandong Technology provides customers with complete high-precision reducer solutions covering robots with 3-1000 kg loads; more than 50 patent applications; participation in drafting more than 20 national/industry/enterprise standards; more than 40 reducer models available; other models can be custom-developed.

• Industrial robot
• Medical equipment
• Wind power generation
• Radar
• Solar energy
• Aerospace

High-precision harmonic reducer products from Zhejiang Huandong Robot Joint Technology Co., Ltd., which transmit motion and power through the controllable elastic deformation of flexible elements, featuring a large and wide transmission ratio range, high precision, small backlash, small size, light weight, smooth transmission, low noise and the ability to transmit motion into sealed spaces.

Harmonic gear transmission (transmission via elastic deformation of flexible components); Huandong Technology provides customers with complete high-precision reducer solutions covering robots with 3-1000 kg loads; more than 50 patent applications; participation in drafting more than 20 national/industry/enterprise standards; more than 40 reducer models available; other models can be custom-developed.

• Service robot
• Medical equipment
• Automation equipment
• Machine tool
• Solar energy
• Aerospace

The standard industrial gearbox product series from Jiangsu Huanou Intelligent Transmission Equipment Co., Ltd. (a controlled subsidiary of Shuanghuan Driveline) is suitable for various mechanical power transmission fields. Adopting a modular design concept, it offers extremely high combinability and interchangeability and includes helical gear gearboxes and bevel-helical gear gearboxes, with high transmission efficiency and high reliability.

Modular design concept achieving high versatility and interchangeability of parts, reducing part specifications and standardizing most parts; floating part design concept and same-group assembly achieving load sharing of planetary gears and reducing the unequal load factor; professional and effective gear modification giving uniform tooth flank load distribution and achieving high strength, low noise and low vibration; finite element analysis to optimize component structures; combined bolt and pin connections to increase gearbox connection strength.

• Energy
• Metallurgy
• Cement
• Coal
• Mining
• Construction machinery
• Port
• Chemical industry
• Water conservancy
• Belt conveyor
• Mixer
• Rotary kiln
• Annular cooler

The planetary gearbox product series from Jiangsu Huanou Intelligent Transmission Equipment Co., Ltd. provides dedicated yaw and pitch drive gearbox solutions for the wind energy and other industries, and can develop customized products in close cooperation with customers.

Modular design concept achieving high versatility and interchangeability of parts, reducing part specifications and standardizing most parts; floating part design concept and same-group assembly achieving load sharing of planetary gears and reducing the unequal load factor; professional and effective gear modification giving uniform tooth flank load distribution and achieving high strength, low noise and low vibration; finite element analysis to optimize component structures; combined bolt and pin connections to increase gearbox connection strength.

• Wind power yaw and pitch drive
• Energy industry transmission
• Metallurgy
• Mining

The high-speed gearbox product series from Jiangsu Huanou Intelligent Transmission Equipment Co., Ltd. provides professional high-speed gearbox solutions for the chemical and energy industries, and customized products can be developed.

Modular design concept achieving high versatility and interchangeability of parts, reducing part specifications and standardizing most parts; floating part design concept and same-group assembly achieving load sharing of planetary gears and reducing the unequal load factor; professional and effective gear modification giving uniform tooth flank load distribution and achieving high strength, low noise and low vibration; finite element analysis to optimize component structures; combined bolt and pin connections to increase gearbox connection strength; suitable for high-speed drive units.

• Chemical and energy industry
• Compressor
• Gas turbine
• Steam turbine

The scraper conveyor gearbox product series from Jiangsu Huanou Intelligent Transmission Equipment Co., Ltd. is suitable for various mechanical power transmission fields; it adopts a modular design with high combinability and interchangeability.

Modular design concept achieving high versatility and interchangeability of parts, reducing part specifications and standardizing most parts; floating part design concept and same-group assembly achieving load sharing of planetary gears and reducing the unequal load factor; professional and effective gear modification giving uniform tooth flank load distribution and achieving high strength, low noise and low vibration; finite element analysis to optimize component structures; combined bolt and pin connections to increase gearbox connection strength.

• Scraper conveyor
• Underground coal mine conveying equipment
• Mining
• Coal

One of the main gearbox product types offered by Jiangsu Huanou Intelligent Transmission Equipment Co., Ltd., applied to the transmission systems of heavy grinding equipment such as vertical mills.

Together with standard industrial gearboxes, planetary gearboxes and high-speed gearboxes, it is one of the company's main product types; the company has more than 110 sets of imported high-end production equipment, produces about 15,000 industrial gearboxes of various types annually, with an annual output value of 1 billion yuan.

• Vertical mill
• Cement
• Metallurgy
• Mining

The intelligent drive precision transmission parts (metal, plastic, etc.) and small-assembly transmission systems of Zhejiang Huanqu Technology Co., Ltd. (a member enterprise of the Shuanghuan Driveline group, established in March 2022 in Jiaxing, Zhejiang) cover design, manufacturing and sales, focusing on innovative practices in intelligent drive system solutions.

Products include precision transmission parts made of metal, plastic, etc., and small-assembly transmission systems; an elite R&D team of over 100 people; more than 42 gearbox R&D patents; cooperation with 3 world-renowned collaborative gear research institutions; 2 key laboratories established.

• Smart office
• Smart home
• Smart healthcare
• Vehicle components
• Future living