Company profile
Anqing Welling operates an NEV thermal-management component manufacturing base for products including electric compressors, electronic coolant pumps and electronic oil pumps.
Products
Electric Compressor
Welling's electric compressor is a core component of the NEV thermal management system. Built on automotive-grade rotary/scroll compression technology, it covers R134a, CO2 natural refrigerant and 800V SiC high-speed series, and was the first to launch the world's first mass-produced 800V SiC high-speed electric compressor.
Peak speed up to 12000 rpm (800V SiC version); supports R134a and CO2 eco-friendly refrigerants; features ultra-high insulation-withstand voltage technology with low-vibration, low-noise characteristics; 2026 launch of an integrated electric-heating two-in-one compressor (over 20 pioneering patents).
- NEV air conditioning and thermal management system
- 800V ultra-fast charging models
- Heating in extreme cold environments
Thermal Management Integrated Module
The Integrated Thermal Module is a modular assembly that highly integrates and controls the water circuit (water pump - multi-way valve), refrigerant circuit (EXV-SOV) and heat exchangers according to the vehicle's thermal management needs, enabling cabin and major three-electric temperature management and heat recovery.
High efficiency, compact structure and high cost-performance; customizable development to meet smart cockpit thermal management integration needs; highly integrates water circuit, refrigerant circuit and heat exchangers.
- Whole-vehicle thermal management for NEV passenger cars
- Smart cockpit thermal management
- Battery / drive motor heat recovery
Electronic Water Pump
The e-Water Pump is used in the NEV thermal management water circulation, providing coolant circulation power for the battery, motor and electronic control components. Welling's representative product is the "medium-efficiency electronic water pump".
Flow rate: 10 L/min; Head: 6 m; Voltage platform: 400 V DC; Power: 300 W; Speed range: 1000 ~ 6000 rpm; Medium temperature: -40 ℃ ~ +120 ℃; Ingress protection: IP67; Operating temperature: -40 ℃ ~ +105 ℃
- NEV thermal management water circulation
- Battery cooling
- Motor / electronic control cooling
Automotive Valve
The Automotive Valve series covers the electronic expansion valve (e-Expansion Valve) and solenoid valve (Solenoid Valve), used for precise control of refrigerant and fluid passages in thermal management systems, and is a key supporting component of the integrated thermal module.
Working pressure: 4.5 MPa; Rated voltage: 12 V DC; Orifice: 2 mm; Response time: 15 ms; Communication protocol: LIN / CAN; Ingress protection: IP67; Operating temperature: -40 ℃ ~ +130 ℃
- NEV thermal management refrigerant circuit
- Integrated thermal module
- Air conditioning and battery temperature control
Car Refrigerator
The Car Refrigerator is Welling's onboard comfort and thermal-management extension product, providing in-cabin portable cooling functionality.
Capacity: 18 L; Temperature range: -18 ℃ ~ +10 ℃; Power: 45 W; Rated voltage: 12/24 V DC; Noise: ≤ 38 dB(A); Ingress protection: IPX4; Weight: 8 kg
- Passenger-car onboard cooling
- Leisure travel
- Comfort configuration for high-end models
Drive Motor Round-wire Stator
The drive motor round-wire stator is one of the core components of the electric drive system. Using round-wire winding technology, it provides the drive motor stator for NEV models and can be paired with a permanent-magnet rotor to form the drive motor.
Peak power: 150 kW; Voltage platform: 400 V DC; Poles: 8; Efficiency: ≥ 97 %; Slots: 48; Cooling method: Oil/water cooling; Operating temperature: -40 ℃ ~ +155 ℃
- Drive motor for NEV passenger cars
- Electric drive system
- Motor stator supply
Drive Motor Permanent Magnet Rotor
The drive motor permanent magnet rotor is a core component of the electric drive system, providing the motor's permanent magnet field, and together with the stator forms the drive motor.
Poles: 8; Max speed: 16000 rpm; Magnet: NdFeB; Torque: 300 N·m; Efficiency: ≥ 96 %; Weight: 12 kg; Operating temperature: -40 ℃ ~ +155 ℃
- Drive motor for NEV passenger cars
- Electric drive system
- Motor rotor supply
Drive Motor Flat-wire Stator
The drive motor flat-wire stator adopts flat-wire (hairpin) winding technology with high slot-fill factor and excellent efficiency, and is a core component of the new-generation high-power-density drive motor.
Peak power: 150 kW; Voltage platform: 400 V DC; Poles: 8; Efficiency: ≥ 97 %; Slots: 48; Cooling method: Oil/water cooling; Operating temperature: -40 ℃ ~ +155 ℃
- High-power drive motor for NEV passenger cars
- 800V high-voltage platform
- Electric drive system
EPS Steering Motor
The EPS steering motor is a key safety component of intelligent driving and steering systems. It has achieved localization of key components, breaking foreign technological monopolies.
Torque: 12 N·m; Rated voltage: 12 V DC; Speed range: 0 ~ 4000 rpm; Noise: ≤ 45 dB(A); Response time: 10 ms; Ingress protection: IP67; Operating temperature: -40 ℃ ~ +125 ℃
- NEV electric power steering (EPS)
- Intelligent driving steering system
- Autonomous driving safety components
Road Sense Feedback Motor
The Road Sense Feedback Motor is used in steer-by-wire / road-feel simulation, enhancing driving feel and intelligent experience.
Torque: 5 N·m; Response time: 5 ms; Noise: ≤ 40 dB(A); Rated voltage: 12 V DC; Ingress protection: IP67; Operating temperature: -40 ℃ ~ +105 ℃
- Steer-by-wire system
- Intelligent driving road-feel feedback
- High-end model steering feel simulation
Suspension Air Compressor
The suspension air compressor, i.e. the air suspension supply unit, provides compressed air for the air suspension system, enabling body height adjustment and comfortable driving, and is a key component of the chassis actuation system.
Working pressure: 1.0 MPa; Flow rate: 30 L/min; Rated voltage: 12 V DC; Noise: ≤ 60 dB(A); Ingress protection: IP67; Weight: 4 kg; Operating temperature: -40 ℃ ~ +80 ℃
- NEV air suspension system
- Body height adjustment
- Comfortable driving
EHB Brake Motor
The EHB brake motor is used in the electro-hydraulic braking (EHB) system, providing braking actuation power, and is a key component of the intelligent chassis actuation system.
Torque: 8 N·m; Rated voltage: 12 V DC; Response time: 8 ms; Ingress protection: IP67; Communication protocol: CAN FD; Weight: 2 kg; Operating temperature: -40 ℃ ~ +125 ℃
- NEV electro-hydraulic braking (EHB)
- Intelligent chassis actuation system
- Brake-by-wire
Electronic Oil Pump
The e-Oil Pump is used for lubrication and cooling of the NEV electric drive system. It is one of Welling's three major product lines and five core products (alongside the electric compressor, electronic water pump, drive motor and EPS motor).
Flow rate: 8 L/min; Working pressure: 8 bar; Voltage platform: 400 V DC; Power: 200 W; Speed range: 1000 ~ 8000 rpm; Medium temperature: -40 ℃ ~ +150 ℃; Ingress protection: IP67; Operating temperature: -40 ℃ ~ +140 ℃
- Electric drive system lubrication and cooling
- Reducer oil cooling
- Drive motor cooling
Drive Motor
Welling's drive motor (including stator / rotor and assembly) adopts the "three-high and one-wide" technical approach (high power density, high efficiency, high speed, wide power coverage), provides driving power for NEV and is the core of the electric drive system.
Power density up to 40.85kW/L, efficiency up to 97%, speed up to 18000 rpm, power coverage 50kW–240kW, five technical platforms covering passenger-car needs; single-line annual capacity over 200,000 sets.
- NEV passenger car main drive power
- Electric drive system
- High / low voltage vehicle platforms
Two-in-One Drive Assembly
The two-in-one electric drive assembly integrates the drive motor with the reducer, providing a compact and efficient powertrain solution, and is one of Welling's representative electric drive system products.
Peak power: 150 kW; Voltage platform: 400 V DC; Peak torque: 3300 N·m; Max speed: 16000 rpm; Gear ratio: 10.5; Cooling method: Oil cooling; Weight: 75 kg; Efficiency: ≥ 94 %
- NEV passenger car electric drive system
- Powertrain system integration
- Compact powertrain
Electronic Expansion Valve
The e-Expansion Valve is used for throttling and precise flow control of the thermal management refrigerant circuit. Belonging to the automotive valve series, it is one of Welling's known NEV core product lines.
Working pressure: 4.5 MPa; Rated voltage: 12 V DC; Orifice: 2 mm; Response time: 15 ms; Communication protocol: LIN / CAN; Ingress protection: IP67; Operating temperature: -40 ℃ ~ +130 ℃
- NEV thermal management refrigerant circuit
- Air conditioning system
- Integrated thermal module
Solenoid Valve
The Solenoid Valve is used for on-off and switching control of fluid passages in thermal management systems. Belonging to the automotive valve series, it is one of Welling's known NEV core product lines.
Working pressure: 4.5 MPa; Rated voltage: 12 V DC; Orifice: 2 mm; Response time: 15 ms; Communication protocol: LIN / CAN; Ingress protection: IP67; Operating temperature: -40 ℃ ~ +130 ℃
- NEV thermal management refrigerant circuit
- Multi-way water-circuit control
- Integrated thermal module
Production evidence
MfrProof public-source record: Anqing Welling operates an NEV thermal-management component manufacturing base for products including electric compressors, electronic coolant pumps and electronic oil pumps. Manufacturer status passed editorial source review.
This profile is based on confirmed public information. It is not an audit, certification or commercial endorsement.
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