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VREMT Technical Strengths

Providing First-class Solutions with Pre-sighted Technology and System Advantages

Product R&D

Battery R&D

E-Drive R&D

Charging R&D

Energy Storage R&D

Battery R&D
Leading power battery system development capability, including EV, PHEV, HEV, 48V battery systems and BMS products
  • Domestically pioneering the development and mass production of 180Wh/kg EV battery packs, addressing customer pain points regarding range anxiety
  • The first domestic development and mass production of 145Wh/kg PHEV battery packs
  • The industry's first IPS integrationtechnology realizes the lightweight and non-thermal diffusion battery packs
  • The industry's first battery stack module technology and three-sided surrounding liquid cooling technology
  • Industry-first, full-time dual-backup thermal monitoring and millisecond-level high-voltage cut-off technology, enabling 24/7 safety monitoring of the battery pack
  • Full-stack in-house developed BMS software and hardware, achieving 2% SOC accuracy for more efficient battery management
  • Implementing sleep balancing technology to alleviate long-distance transportation and parking anxiety
E-Drive R&D
World-class electric drive system
  • The maximum motor efficiency is 97.86%, the peak effciency of the system is 95%, and the EDS power density is 2.19kw/kg
  • AUTOSAR architecture and MBD modular development meet the requirements of information security CAL2 and functional security ASIL-C
  • It is equipped with P-lock or disconnector options, electric drive static heating, dTCS, SiC controller and other rich configurations to meet various requirements of customers
  • Applicable to SUV, car, MPV, truck and other front and rear drive and 4WD models
Charging R&D
Industry-Leading Full Liquid-Cooling High-Power Supercharging Technology: Maximum output power up to 800kW/1200A
  • 24mm ultra-thin liquid-cooled cable design, weighing only half of industry standard, allowing easy one-handed operation even for women
  • Modular product design allows customization based on specific scenarios and future expansion or upgrades
  • Station-level power scheduling technology ensures maximum charging capacity to meet peak demand
  • Seamless integration with various distributed renewable energy sources enables efficient energy transmission, conversion, feedback, and simplified allocation and scheduling
  • Equipped with V2G technology, enabling both vehicle charging and reverse power feeding to the grid
  • Exceptional charging experience with unique features: Ultra-fast startup (<9s), pulse heating technology, battery repair technology, plug-and-charge functionality, and automatic charging port cover opening
Energy Storage R&D
The pioneering domestic four-in-one safety design of “prediction, prevention, resistance and improvement"
  • Overall comprehensive energy project design. According to the scenarios and energy demands provided by customers, reasonably allocate renewable energy and energy-saving equipment, and help customers achieve the carbon neutrality and emission peak goals of energy conservation, efficient energy use, improving energy quality and the reliability of energy systems, while taking into account the requirements of aesthetics, practicality and economic nature
  • Development of comprehensive energy storage equipment. Big data /AI monitors battery status throughout its life cycle; ensure 1ppm multi-gas component monitoring; New heat insulation fire-fighting materials are applied; Biochemical water tank prevents pollution of soil and groundwater
  • Independent EMS, BMS, big data platform, app development and manufacturing capability

Patent

Through the tireless efforts of over 3,000 R&D personnel, VREMT has applied for over 1,200 patents in R&D, application, manufacturing, and pilot production, including over 697 invention patents. These patents cover core technologies such as battery cells, modules, packs, BMS, motor control, and energy storage products, with phased international patent applications underway.

Precision machinery at a VREMT facility used for manufacturing components of electric drives and batteries. The image shows a complex array of metallic rollers and guides processing a thin copper wire, indicative of VREMT’s innovative approach in enhancing electric vehicle technology

Test Capacity

VREMT's electric laboratory spans 37,000 square meters and houses approximately 300 million yuan of testing equipment. The 162-person team comprises 106 members (65%) with bachelor's degrees or higher and 130 members (80%) with over 5 years of testing experience, including one expert in battery testing. The lab offers comprehensive testing capabilities, covering materials and electrochemistry, power batteries, motor and electronic control systems, charging systems, energy storage systems, EMC, and environmental reliability. These capabilities extend from the material level up to the component and system integration levels, meeting domestic and international standards including GB, ISO, UN, UL, and ECE, as well as the corporate standards of Geely, Volvo, and Lynk & Co. Established and operated strictly under ISO/IEC 17025, the lab is accredited by CNAS, Geely Group SQE, and is a Witness Test Data Program certified under TUV UN regulation No.100. In 2021, VREMT established the "Ningbo Qianwan New Power System (Energy Storage) Joint Laboratory" with the State Grid's Hangzhou Bay branch.

VREMT
Battery Test Capability
Electrical Performance Test
Safety Test
Functional Test
Environment Reliability Test Capability
Sea Water Immersion
Mechanical Shock
Thermal Shock
Ingress Protection
Vibration With Temperature & Humidity
High Altitude
Salt Spray
Fall
Damp Heat
Motor & Electric Control Test Capability
800V High-Voltage System Test Bench
E-Drive Test Bench
3E Powertrain Test Bench
4E Performance Test Bench
Electric Control Test Bench
Electrical & Electronic Test
Charging System Test Capability
OBC&DCDC Test Bench
OBC&DCDC Endurance Test Bench
Supercharger Test Bench
VREMT
Certification document for Zeeker Intelligent Technology Co., Ltd. from VREMT, displayed in a white frame, showing a Battery Management System certified by SGS-TÜV Saar GmbH.
ASIL-C
Certification document for Zeeker Intelligent Technology Co., Ltd. from VREMT, displayed in a white frame, showing a Battery Management System certified by SGS-TÜV Saar GmbH.
ASPICEII
Certification document for Zeeker Intelligent Technology Co., Ltd. from VREMT, displayed in a white frame, showing a Battery Management System certified by SGS-TÜV Saar GmbH.
CNAS
Certificate of Approval issued by Lloyd's Register to Viridi E-Mobility Technology (Ningbo) Co., Ltd., a company focused on electric drive and battery technology under the VREMT brand.
IATF16949
Certification document for Zeeker Intelligent Technology Co., Ltd. from VREMT, displayed in a white frame, showing a Battery Management System certified by SGS-TÜV Saar GmbH
TÜV

Quality Assurance Capability

Comprehensive and Reliable Full-process Quality Management

The company implements a full-process quality management system encompassing R&D, manufacturing, continuous improvement, and supplier management. This commitment to quality has earned the trust of customers including Zeekr, Geely, Geely Galaxy, Lynk & Co, Geometry, Volvo, Polestar, and smart.

Robust Hardware and Software Quality Assurance

The company obtains IATF 16949 quality management system certification, ISO/IEC 17025 CANS laboratory certification, ASPICE Level -2 process certification, ISO 26262 functional safety product certification, and A-level evaluation of Geely's full-process competitiveness quality system.

Advanced and Scientific Testing and Analysis Capabilities

The company possesses components and assemblies ranging from automotive-grade to industrial-grade. Key assets include a power battery EOL (End-of-Life) testing system, an electric drive NVH Discom test bench, a 100% burn-in testing system for electronic controls, a three-coordinate precision measurement laboratory, a standardized metallographic laboratory, a cleanliness analysis laboratory, and a gear measurement center.

Manufacturing Capacity

  • Battery Production Line
    product-inside Battery Production Line
    Battery Production Line
    Equipment
    5 automatic production lines, 7 flexible production lines, compatible with 0.38~102kWh power-range product sequence, the annual production capability of 960,000 sets of battery systems; first-class equipment brands for testing, laser welding, screw locking, six-axis robot module assembly, AGV online and offline logistics turnover and other processes
    Process
    Develop and verify first-class module and PACK process technology with continuous and stable mass production
  • EDS Line
    product-inside EDS Line
    EDS Line
    Equipment
    Seven production lines are for EDS1, EDS2 three-in-one assembly, and ICS charging product service. The EDS1 production line is composed of a stator line, an electric control line, a general assembly line and a test line, with an annual output of 150,000 sets; The annual output of EDS2 production line is 80,000 sets and that of ICS production line is 53,000 sets; Among them, the EDS1 stator line adopts the manufacturing process of 8-layer hairpin flat wire, and the whole line is introduced by Italian ATOP company
    Process
    Advanced technology and first-class manufacturing and testing equipment ensure the high-quality products
  • E&E Production Line
    product-inside E&E Production Line
    E&E Production Line
    Equipment
    There are CSC automatic production line and BMU/CVS automatic production line, of which CSC is the fastest fully automatic production line in the domestic BMS industry at present. It has modular design, high flexibility and compatibility, and can realize the exchange of single work stations, manual and automatic integration, free combination, and real-time monitoring by mobile terminals
    Process
    Four advantages: team experience analysis, standard library, CBA software analysis ability DFX, and new process R&D, to achieve the seamless connection between product R&D and product industrialization
  • Supercharger Production Line
    product-inside Supercharger Production Line
    Supercharger Production Line
    Equipment
    The supercharging product line is compatible with a wide range of commercial liquid-cooling and conventional charging cabinets and piles, including V1, V2, V2.1, and V3. The assembly process employs RGV for high-precision positioning, stability, and efficient transportation. UV printing and laser printing technologies enable personalized product customization
    Process
    Critical process steps are initiated through MES, executed on the production line, and then confirmed by equipment feedback, ensuring consistent product quality
  • Energy Storage Production Line
    product-inside Energy Storage Production Line
    Energy Storage Production Line
    Equipment
    Ring facula with two independently controllable optical paths allows individual setting of the waveform and power of both the inner and outer rings. This design excels in spatter suppression and typically employs the inner ring for deep penetration welding and the outer ring for aesthetic finishing. Comprehensive testing capabilities, including on-off testing, insulation resistance testing, and capacity verification to ensure the performance and quality of both PACK-level and cluster-level products. The integration of heavy-duty AGVs, a range of testing functions, cross-transport vehicles, and intelligent tool carriers enables real-time monitoring and intelligent scheduling for optimized production
    Process
    This production line boasts a high level of automation and scalability, making it compatible with the manufacturing of various product models. Its straight-through layout ensures efficient and streamlined material handling, eliminating unnecessary backtracking. Comprehensive MES (Manufacturing Execution System) control allows full traceability of process data, guaranteeing the output of high-quality products. The modular design of the production line enhances flexibility, enabling it to cater to the manufacturing of diverse energy storage system products