Chongqing Tsingshan Industrial Co., Ltd.

The MT manual transmission is Qingshan's most fundamental traditional drivetrain platform, covering transverse and longitudinal, 5-speed and 6-speed layouts with torque ranging from 160 N.m to 400 N.m. The products offer crisp shifting, high transmission efficiency and excellent cost performance, widely fitted to vehicles from minicars to light trucks. Qingshan is the world's largest micro-vehicle transmission manufacturing base, and the MT platform embodies over 60 years of transmission R&D and manufacturing expertise.

Transverse 5-speed 160 N.m (MF515); transverse 6-speed 220 N.m (MF622); transverse 6-speed 280 N.m (MF628); longitudinal 5-speed 150 N.m (MR515); longitudinal 5-speed 200 N.m (MR520); longitudinal 6-speed 230 N.m (MR625); longitudinal 6-speed 400 N.m (MR640); compatible with 0.6 L-3.5 L engines; industry-leading micro-vehicle transmission market share.

• Sedan
• SUV
• MPV
• Microvan
• Light truck

The AMT automated manual transmission combines the energy-saving efficiency of a manual gearbox with the driving convenience of an automatic, offering the clear advantages of low cost and high transmission efficiency. Qingshan achieved China's first industrialisation of a passenger-car AMT in 2009, opening a new chapter for self-developed automatic transmissions. This platform retains its value in low-cost automatic transmission models.

China's first passenger-car AMT industrialised in 2009; inherits the efficient MT transmission structure; lower cost than AT/DCT; high transmission efficiency.

• Sedan
• Microcar
• Commercial light truck

The DCT dual-clutch automatic transmission is Qingshan's main automatic transmission platform, represented by its 7-speed wet dual-clutch unit. The new-generation DCT assembly (DF733) is a low-energy-consumption, high-efficiency 7-speed wet dual-clutch automatic transmission, paired with Changan's NE15 engine series to form the classic 'Blue Whale Power' combination. The DF727 once won the 'World Top Ten Transmissions' honour and has long ranked among the top-selling self-developed transmissions.

7-speed wet dual clutch; DF733 with class-leading overall transmission efficiency, paired with Changan NE15; torque coverage 250 N.m (DF727)/270 N.m (DF727)/280 N.m; DF728 is a DCT-based hybrid front-mounted platform; DCT annual capacity of 1 million units.

• Sedan
• SUV
• MPV
• Pickup truck

The reducer (single/dual-speed) is a core component of Qingshan's new-energy drivetrain, with a front-mounted front-wheel-drive single-speed two-stage transmission sharing an end cover with the motor to form a three-in-one structure. The EF135 is a front-mounted front-wheel-drive single-speed two-stage reducer sharing the motor's right end cover, capable of withstanding a maximum torque of 350 N.m and a ratio of 9.11. The new-energy Line 2 can produce the water-cooled EF135C series and the oil-cooled EF135H series single reducers.

Front-mounted FWD single-speed two-stage transmission; shares right end cover with motor; EF135 max torque 350 N.m, ratio 9.11, max speed 12000 rpm; includes water-cooled EF135C and oil-cooled EF135H; covers micro to mid-size pure-electric models.

• Battery electric passenger car
• Range-extended/hybrid e-drive
• Micro EV

The integrated e-drive assembly is Qingshan's main pure-electric drive product family, covering highly integrated two-in-one, three-in-one and multi-in-one e-drive systems and belonging to the 'centralised drive' lineage of the GI-Drive platform. The permanent-magnet synchronous two-in-one e-drive assembly (PEF03) integrates motor and reducer using a Hair-pin flat-wire motor with natural air cooling; the AC asynchronous three-in-one e-drive assembly (PEF20A) is built on a 200 kW/800 V platform; the permanent-magnet synchronous seven-in-one e-drive assembly (PEF20B) deeply fuses seven modules: motor, controller, reducer, high-voltage distribution box, on-board charger, DC-DC converter and DC-AC converter. The PEF20E (200 kW) e-drive assembly has been jointly developed with Changan and mass-produced, with monthly sales exceeding 10,000 units.

Two-in-one (PEF03) with motor + reducer, natural air cooling, Hair-pin flat wire; three-in-one (PEF20A) 200 kW/800 V, output torque 3200 N.m, for A0-A-B class front auxiliary drive; seven-in-one (PEF20B) integrates MCU + reducer + PDU + OBC + DCDC + DCAC, for A/B class; PEF20E 200 kW in mass production; platform covers 30 kW-600 kW full power range.

• Battery electric passenger car
• A0/A/B-class models
• Front auxiliary/main drive

The coaxial e-drive assembly is the flagship product of the 'coaxial/distributed drive' lineage of Qingshan's GI-Drive 2.0 platform, using a planetary-gear topology to deeply integrate the motor, reducer and controller, greatly reducing the Z-height for lightweighting. The all-new generation of high-power coaxial e-drive has entered scaled mass production, delivered on models such as Avatr and Voyah, with monthly demand exceeding 20,000 units and a new Seres project secured. The product achieves a power density of 3.8 kW/kg and operating efficiency above 94%.

Coaxial planetary-gear architecture; power density 3.8 kW/kg; operating efficiency >94%; peak power 200-300 kW; embedded SiC compatible with 800 V; 33 invention patents filed cumulatively; validated on vehicles in extreme cold/heat/high-altitude conditions.

• High-end battery electric passenger car
• SUV
• Smart EV

The central distributed e-drive assembly is Qingshan's distributed-drive product for next-generation smart chassis, adopting an innovative coaxial 'motor-reducer' layout with the controller arranged circumferentially around the motor, and realising high integration of four modules — dual motors, dual controllers, dual reducers and thermal management — through a lightweight 'four-cavity unified' housing. The EDS4 distributed motor assembly achieves a peak system efficiency of 96.5%, power density of 6.87 kW/L and speed above 22000 rpm; the PED40 central distributed e-drive project has completed its B-sample roll-off, marking the company's breakthrough from zero to one in distributed e-drive industrialisation.

CLTC efficiency 92.5%-92.8%; power density 4.52 kW/kg-7.28 kW/L; torque density 107 Nm/L; volume 69 L; motor peak speed 22000 rpm+; features debut technologies such as BTB 3D-cooled high-integration controller, SOLA ultra-thin reducer and variable power-electronics control; supports advanced smart-chassis functions like pivot turning.

• Smart EV
• High-level smart chassis
• Distributed-drive model

The DHT/P2 hybrid transmission is Qingshan's hybrid product family, covering P2, P2.5 and P1P3 (DHT) configurations. The P2 hybrid transmission (HF640) is the company's first mass-produced hybrid gearbox, using an S-winding flat motor and a three-clutch coaxial radial integrated structure, with an overall transmission efficiency of 97%; the DHT hybrid transmission (HFE30C) is a P1P3 dual-motor hybrid transmission with an oil-cooled flat-wire motor and highly integrated dual-motor controller, suited to HEV/PHEV passenger cars and commercial vehicles. The HFE30C series has entered high-volume production.

P2 (HF640) overall transmission efficiency 97%, three-clutch coaxial radial integration, A-D class platformisation; P2.5 (HF728/HF628) based on DCT covering PHEV/HEV/MHEV; DHT (HFE30C) P1P3 configuration, oil-cooled flat-wire motor, integrated dual-motor controller; covers HEV/PHEV/commercial vehicles; 300,000-unit hybrid manufacturing capacity.

• Hybrid passenger car
• Plug-in hybrid (PHEV)
• HEV/commercial vehicle

The multi-in-one e-drive controller is the core electronic-control product of Qingshan's e-drive system, integrating multiple functional modules such as the motor controller (MCU), on-board charger (OBC), DC-DC converter (DCDC), DC-AC converter (DCAC) and high-voltage distribution box (PDU). The KTZ35 five-in-one e-drive controller was independently developed by Qingshan with Changan and is fitted to the PEF20-series seven-in-one e-drive assembly; the in-house water-cooled e-drive controller assembly (KYS58XS001) handles both high and medium voltage and is fitted to the PEF20A three-in-one e-drive assembly for four-wheel-drive auxiliary drive.

KTZ35 five-in-one integrates MCU+OBC+DCDC+DCAC+PDU; KYS58XS001 water-cooled, covers high/medium voltage, for 4WD auxiliary drive; dual-motor controller in volume production with HFE30C hybrid; high integration, strong safety, good compatibility.

• Multi-in-one e-drive assembly
• Three-in-one e-drive assembly
• Hybrid dual-motor system

The drive motor is a core component of Qingshan's new-energy drivetrain; the first self-designed high-voltage oil-cooled permanent-magnet synchronous motor uses Hair-pin flat wire, a stator outer diameter of 220 mm and an 800 V high-voltage platform. The motor offers excellent cooling, high power density, high efficiency and low noise, with a CLTC operating efficiency of 94.5% and a peak efficiency of 97%. Qingshan has built a parts capacity of 150,000 controllers and 600,000 PCBA units for motors and electronic controls.

Hair-pin flat-wire winding; stator outer diameter 220 mm, stack length 122; 800 V high-voltage platform; CLTC efficiency 94.5%, peak efficiency 97%; oil-cooling; high power density.

• E-drive assembly
• Multi-in-one e-drive
• Hybrid e-drive

The P1 range extender is one of the products of Qingshan's GI-Drive 2.0 hybrid e-drive platform, representing the range-extended route within the 'hybrid covering the P1 to P13 main/auxiliary drive product line'. Together with the multi-in-one e-drive and the hybrid transmission, it forms Qingshan's new-energy drivetrain assembly and fully adapts to multiple technical routes such as pure electric, plug-in hybrid and range extender. This product series was prominently showcased in the platform matrix at the Shanghai Auto Show.

P1-configuration range extender; belongs to GI-Drive 2.0 hybrid e-drive platform; suited to range-extended electric vehicles; works with e-drive/battery systems.

• Range-extended electric vehicle
• Plug-in hybrid
• New-energy passenger car

The P13 dual-motor hybrid system is an important product of Qingshan's GI-Drive 2.0 hybrid e-drive platform, together with the P1 range extender and the DHT/P2 transmission covering the P1 to P13 main/auxiliary drive product line. Qingshan has launched dual-motor hybrid project cooperation with OEMs such as Chery, FAW, Dongfeng and BAIC, among which the dual-motor hybrid projects HFE30E and its controller, RTZ07A and its controller have completed their technical scheme finalisation. The system targets high-efficiency hybrid and intelligent four-wheel-drive scenarios.

P1+P3 dual-motor configuration; covers main drive + auxiliary drive; shares modular architecture with DHT/P2 platform; schemes such as HFE30E/RTZ07A confirmed; suited to HEV/PHEV.

• Plug-in hybrid (PHEV)
• HEV hybrid
• Smart four-wheel-drive model

The planetary reducer is a core component of Qingshan's GI-Drive 2.0 platform, using a planetary-gear topology to support highly integrated coaxial and distributed e-drive solutions. The SOLA ultra-thin reducer has the industry's smallest volume (about 2.3 L) and lightest weight (about 12.1 kg), with a CLTC operating efficiency as high as 98.5%, and has been applied as a world-first technology in the EDS4 distributed e-drive and the centralised coaxial e-drive.

Planetary-gear topology; SOLA ultra-thin reducer volume about 2.3 L, weight about 12.1 kg; CLTC efficiency 98.5%; ultra-thin design reduces space occupancy; supports coaxial/distributed e-drive.

• Coaxial e-drive
• Distributed e-drive
• Centralised e-drive

The humanoid robot joint module is a new category of core component showcased by Qingshan in the GI-Drive 2.0 platform matrix at the 2025 Shanghai Auto Show, belonging to the company's layout for future industries. Relying on Qingshan's accumulated transmission technology in deep integration of motors, reducers and controllers, the module extends into high-value-added tracks such as robotics. As one of the company's 'Double-Hundred Action' and future-industry directions, it is currently in the product incubation and expansion stage.

Based on motor + reducer + controller integration technology; for humanoid robot joint drive; built on GI-Drive platform transmission know-how; future-industry incubation direction.

• Humanoid robot
• Intelligent equipment
• Future industry

The e-axle product (P4) is Qingshan's wheel-end/rear-axle electric drive solution for new-energy drivetrains; the ED130 is a P4-configuration e-axle belonging to the company's auxiliary-drive axle category within its pure-electric and hybrid product lines. Working with the main-drive e-drive and the hybrid transmission, this product family can form four-wheel-drive and multi-motor powertrains, extending the flexibility of the vehicle's drive layout.

P4-configuration e-axle; model ED130; rear-axle/wheel-end auxiliary drive; works with main-drive e-drive to form 4WD; in development/expansion stage.

• Battery-electric four-wheel drive
• Hybrid four-wheel drive
• Auxiliary-drive axle