Leave Your Message
Explore our premium range of vehicle charging inlets and connector systems, specifically optimized for Japanese automotive standards, heavy-duty cycles, and advanced grid configurations.
As Japan accelerates its transition toward carbon neutrality by 2050, the demand for robust, highly efficient Electric Vehicle (EV) components has surged. The Japanese Ministry of Economy, Trade and Industry (METI) has laid out ambitious targets to double the country's charging infrastructure, aiming for 300,000 charging points by 2030. This massive push requires a highly reliable supply chain for core components, chief among them being the EV charging inlet.
In Japan, the EV charging ecosystem is unique. For AC slow charging, the J1772 (Type 1) standard remains the dominant protocol for residential and destination charging. Meanwhile, the domestic DC fast-charging standard, CHAdeMO, continues to evolve alongside global standards like CCS and GB/T to support imported commercial fleets and high-power logistics networks. Consequently, Japanese automakers, fleet operators, and charging station builders seek manufacturers capable of providing multi-standard, high-reliability vehicle inlets.
As a leading global connector factory, SANCO delivers cutting-edge charging inlets engineered to survive Japan's distinct environmental conditions—ranging from high coastal humidity and typhoons to seismic activity. Our products ensure secure electrical contacts, low contact resistance, and superior thermal management to maximize vehicle uptime and passenger safety.
Founded in 1999, SANCO is well known as a connection system solutions provider and a national high-tech enterprise integrating R&D, design, manufacturing, sales and after sales support for connectivity products. It is committed to becoming a leader in the field of connectivity technology and products.
SANCO specializes in the R&D and manufacturing of electrical interconnection systems for automotive, rail transit, industrial, communications, and energy storage applications, including: high voltage EV connector, energy storage connector, EV charging connectors, manual service disconnect (MSD) units, Laminated busbar, Injection-molded busbar, signal and circular connectors, cell contact systems (CCS) and various precision components.
As a prominent industry leader, SANCO delivers comprehensive connection system solutions to clients worldwide. Our products are exported to over 100 countries worldwide, including major markets like China, North America, Europe, and Asia-Pacific. Our solutions have been widely adopted by global Fortune 500 companies and industry-leading enterprises.
Our engineering team designs EV charging inlets to meet the strict standards required by Japanese OEMs and infrastructure developers. From thermal management to mechanical durability, every component is rigorously tested.
In Japan, residential charging is tightly integrated with Vehicle-to-Home (V2H) systems. During power outages caused by earthquakes or typhoons, the EV acts as a backup battery. Our J1772-compliant AC inlets are built with high-durability silver-plated copper alloy terminals, ensuring they can handle thousands of bidirectional mating cycles without degradation or overheating.
Logistics fleets in Tokyo, Osaka, and Yokohama are rapidly adopting electric commercial vans. These vehicles run on tight schedules and require frequent fast charging. SANCO’s DC charging inlets feature integrated high-precision NTC temperature sensors that monitor thermal limits in real-time, preventing damage during rapid 150A-250A fast charging sessions.
Japan’s climate varies from sub-zero, snowy winters in Hokkaido to hot, humid summers in Okinawa. Our inlets feature IP67 and IP69K environmental sealing, preventing water ingress, salt spray corrosion, and dust collection, making them ideal for outdoor public charging stations exposed to the elements.
SANCO has a complete industrial chain, advanced autonomous R&D capabilities, precision manufacturing systems, and certified testing infrastructure, which can fully meet the various customized requirements of customers. Guided by our core values of Integrity, Customer-Centricity, Precision Excellence, and Innovative Learning, SANCO is relentlessly advancing as the global leader in connectivity technologies and solutions.
Automotive supply chains in Japan demand the highest levels of quality control, zero-defect manufacturing, and transparent traceability. SANCO has structured its entire production system to align with these stringent automotive standards. Our factory leverages fully automated assembly lines, state-of-the-art injection molding machines, and rigorous end-of-line testing to deliver flawless connectivity products.
Our facilities are certified under IATF 16949, the international quality standard for the automotive industry. We utilize Advanced Product Quality Planning (APQP), Failure Mode and Effects Analysis (FMEA), and Production Part Approval Process (PPAP) to guarantee that every EV charging inlet shipped to Japan meets the baseline requirements of tier-1 automotive suppliers.
Furthermore, our in-house testing laboratory is certified by CNAS and complies with international safety agencies including UL, TUV, and SGS. This allows us to perform electrical, mechanical, and environmental stress tests in-house, accelerating the product development cycle and reducing time-to-market for our Japanese partners.
Every EV platform has unique packaging constraints, thermal profiles, and cable routing requirements. SANCO does not just offer off-the-shelf products; we specialize in customized OEM/ODM engineering. Whether you need a specific wire harness length, integrated electronic locks, custom mounting flanges, or specialized LED status indicators for the vehicle port, our engineering team works closely with your R&D department to deliver a tailored solution.
SANCO was founded by Mr. Zeng Zhi Jian in 1999. Through years of R&D and manufacturing expertise in high-voltage interconnection systems, SANCO has established itself as a technology leader, delivering comprehensive connectivity solutions across various demanding industries.
We collaborate with global leaders and Fortune 500 enterprises to build the future of green mobility.
We maintain strict compliance with global safety, structural, and quality benchmarks.
SANCO holds extensive certifications recognizing our commitment to manufacturing precision and quality management. We strictly implement standardizations across our entire factory flow:
The future of EV charging in Japan is defined by intelligence and integration. As smart grids become the norm, charging inlets are no longer passive copper terminals; they are evolving into smart nodes. SANCO is actively developing next-generation charging inlets featuring integrated microcontrollers that communicate directly with the vehicle's battery management system (BMS) and local smart meters. This enables features like automated billing, dynamic load balancing, and secure vehicle authentication.
Furthermore, the collaborative effort between the CHAdeMO Association and the China Electricity Council has led to the development of the ChaoJi (CHAdeMO 3.0) standard. ChaoJi supports ultra-high-power charging up to 900kW, featuring a lighter, liquid-cooled cable and a backward-compatible inlet design. SANCO's R&D department is at the forefront of this evolution, designing inlets that accommodate both existing protocols and future ultra-fast charging standards, ensuring that our Japanese partners remain competitive in a rapidly changing landscape.
Finally, with the rise of autonomous driving and robotic charging systems, we are engineering self-aligning vehicle inlets with optimized mechanical tolerances. These inlets allow automated robotic arms to plug in without human intervention, paving the way for autonomous taxi fleets and self-charging logistics hubs in Japan's major metropolitan areas.
Discover our full catalog of high-performance EV cables, adapters, and vehicle charging sockets designed to meet global standards.
