Engineered to power next-generation EV supply equipment (EVSE) and electric drivetrains globally.
Established in 2014, Shenzhen DCI Autos Co., Ltd. stands as a premier automotive engineering and technological pioneer, specializing in the complete development, manufacturing, and validation of components integral to next-generation electric vehicles and high-power charging infrastructures.
Operating from a state-of-the-art production complex spanning 28,000 square meters and staffed by a multidisciplinary team of over 300 dedicated engineering and production experts, we bridge the gap between complex power electronics and mechanical reliability. Located in Shenzhen, the absolute epicentre of the world’s electric vehicle supply chain, we leverage a robust local network of high-tech research centers and raw material providers to guarantee highly competitive, cutting-edge products for markets across North America, Europe, Southeast Asia, the Middle East, and South America.
Our core mission focuses on supplying key components of the powertrain and charging loops. This includes battery packs, high-voltage battery management systems (BMS), electric vehicle drivetrains, integrated thermal management systems, and specialized structural castings. By focusing on critical pain points in charging speed, safety, and energy efficiency, we provide hardware that supports sustainable transportation infrastructure globally.
A multi-disciplinary breakdown of how DCI Autos’ engineering solves power, heat, and reliability challenges.
Converting grid-level AC power into high-voltage DC requires highly stable components. Our integration of DC-DC converters, switching adapters, and power regulators ensures minimum conversion loss and heat generation, optimizing power quality for EVSE units.
Using premium 4S LiFePO4 BMS and higher-voltage modules, our battery management solutions prevent thermal runaways, balance cells dynamically, and deliver real-time operational diagnostics to the charging controller via high-speed CAN networks.
Thermal mitigation is key to fast-charging. Utilizing custom intercoolers with internal baffles alongside liquid-cooled plates, DCI Autos manages heat distribution during high-amp cycles, extending battery pack life and preserving electrical isolation.
Automobile control units and outdoor EVSE boxes need to resist extreme environmental elements. Our high-precision die-cast aluminum VCU casings, space frames, and sand-cast parts provide durable, IP67-rated protection, defending sensitive electronics against moisture and dust.
Transferring high amperages from charging cables to the vehicle's internal system calls for complex, heavily insulated wiring harnesses. DCI Autos designs specialized vehicle wiring and connector systems to prevent voltage spikes, electromagnetic interference, and mechanical failure.
Complementing high-voltage systems, our PMSM drive axle setups and AC geared motors are optimized for specialized EV logistics vehicles and automatic access gates, securing reliable long-term operations for depot charging yards.
In the rapidly evolving EVSE and mobility sectors, the geographical hub where components are manufactured determines the speed-to-market, cost efficiency, and design flexibility. Shenzhen, Guangdong is globally recognized as the silicon valley of hardware and battery innovation, providing unmatched structural advantages.
At DCI Autos, our proximity to component sub-contractors, specialized steel and aluminum casting foundries, and semiconductor packaging plants enables us to source raw materials and prototype custom solutions with negligible lead times. This close proximity allows us to rapidly refine custom parts, such as high-precision heat exchangers or high-voltage connectors, faster than competitors outside of China.
Our 28,000-square-meter facility utilizes computerized automated assembly lines, robotic welding stations, and high-precision CNC equipment. Automating delicate assembly procedures, such as BMS surface mount technologies (SMT) or high-voltage terminal crimping, ensures consistency and reliability across mass production. We utilize automated optical inspection (AOI) alongside load testing to isolate defects before shipment.
DCI Autos operates in strict alignment with international quality standards. Holding certifications such as IATF 16949 (the global standard for automotive quality management), ISO 9001, and EC certificates for our battery thermal management components, we guarantee that our products meet the technical requirements of high-regulated markets in Western Europe and North America.
In high-power DC charging (above 150 kW), electrical resistance in wiring harness terminals and battery connectors creates local hot spots, which can lead to system shutdowns. Our engineering team utilizes custom-designed, high-precision stainless steel power-supply components and silver-plated copper junctions. This setup maintains resistance below critical operational thresholds, minimizing power degradation and ensuring system safety.
Analyzing how current charging infrastructure demands map to target vertical industries and applications.
The global EV industry is transitioning from traditional 400V battery systems to ultra-fast 800V architectures. This shift significantly reduces recharge times but demands components that can handle high-voltage loads and resist electrical breakdown. Our development of custom high-voltage cable assemblies, VCU die-cast housings, and battery management systems is designed to ensure safe, stable operation under these high-voltage conditions.
Modern charging stations are evolving from passive grid consumers into active energy hubs. Utilizing hybrid battery storage systems (e.g., pairing 48V 50Ah LiFePO4 storage units with DC EV charging networks) allows station operators to shave peak demand, store renewable energy during the day, and feedback power during peak times. DCI Autos provides the integrated power electronics and BMS solutions required to support bidirectional energy flow.
Commercial fleets require heavy-duty, highly reliable systems. Our PMSM drivetrain axles (designed for 4.5T to 6T trucks) paired with high-efficiency battery thermal management systems (BTMS) ensure that fleet vehicles can charge rapidly in winter climates and perform under continuous high-duty-cycle operations.
Setting up EV charging networks in remote regions requires durable, lightweight modular frameworks. DCI Autos designs space-frame structures that optimize shipping costs for remote projects, while maintaining structural integrity in coastal, high-salinity, and extreme-temperature environments.
Addressing the strict parameters and quality verifications required by commercial automotive buyers.
Global buyers, fleet operators, and hardware integrators operate in highly regulated environments. Securing a reliable supply chain requires partners who can accommodate customized mechanical and electrical designs while maintaining strict quality control. DCI Autos addresses these requirements through our structured OEM/ODM workflow, which includes design mockups, rapid prototyping, pre-production testing, and automated mass assembly.
Our specialized R&D team can develop custom components tailored to your specific application requirements. Whether you need custom-shaped intercoolers for non-standard battery packs, specialized space frames for remote deployment, or high-voltage wiring harnesses with custom shielding, we design and validate systems to meet your performance specifications.
We operate high-volume, automated production lines capable of producing high-precision castings, power converter sub-assemblies, and battery control electronics. All processes follow strict IATF 16949 workflows, ensuring high yield rates and reliability across large production runs.
Our validation laboratories conduct comprehensive pre-shipment testing. Components are subjected to thermal cycling chambers (ranging from -40°C to +85°C), high-pressure water ingress testing, vibration testing, and high-voltage dielectric breakdown evaluations. This rigorous testing ensures our products deliver reliable long-term performance under demanding real-world conditions.
Detailed technical answers addressing common engineering and procurement questions for global buyers.
Heavy-duty structural components, electronic modules, and specialized drivetrain accessories.
DCI Autos
