Chongqing is China's automotive electronics capital — home to Changan Auto, CATL battery facilities, Liangjiang New Area EV hub, the massive Auto Parts City, Xiyong power electronics zone, and the CQEC Digital City. The world's largest municipality by area, producing more vehicles than any other Chinese city. 重庆是中国汽车电子之都——汇聚长安汽车、宁德时代电池基地、两江新区新能源中心、规模宏大的汽车配件城、西永电力电子园区及重庆电子商城。作为全球面积最大的直辖市，重庆整车产量居全国首位。
| District区域 | Key Markets主要市场 | Metro地铁 | Specialty专长 |
|---|---|---|---|
| Liangjiang New Area 两江新区 Yubei District | CATL battery hub, EV tech cluster, Changan R&D | 🚇 Line 6, Liangjiang area stations | China's premier EV electronics zone. CATL LFP battery cells, BMS systems, high-voltage harnesses, EV charging components. Changan, SAIC-GM, Ford, Hyundai manufacturing bases.中国顶级新能源电子区。宁德时代磷酸铁锂电芯、BMS系统、高压线束、充电桩元器件。长安、上汽通用、福特、现代制造基地。 |
| Chongqing Auto Parts City 汽配城 Shapingba District | Chongqing Auto Parts City, ECU dealers, Bosch/UAES distributors | 🚇 Line 3/6, Shapingba Station area | Largest auto parts market in Southwest China. ECU modules (Bosch, Continental, UAES), automotive sensors, CAN bus components, wiring harnesses, transmission electronics.西南地区最大汽配市场。ECU模块（博世、大陆、联电），汽车传感器，CAN总线元器件，线束，变速箱电子件。 |
| Xiyong Hi-Tech Park 西永高新园 Shapingba/Bishan | Xiyong Micro-Electronics Industrial Park, Foxconn complex | 🚇 Line 3, Xiyong Station | Power electronics, semiconductor packaging, Foxconn manufacturing hub. IGBT modules, power inverters, DC-DC converters for EV powertrains. Major export electronics manufacturing.电力电子、半导体封装、富士康制造基地。用于新能源动力总成的IGBT模块、逆变器、DC-DC变换器，大宗出口电子制造。 |
| CQEC Digital City 重庆电子商城 Jiulongpo/Yuzhong | CQEC Digital City, consumer electronics cluster, Guanyin Bridge | 🚇 Lines 1/3, city center stations | Consumer electronics retail and wholesale. Smartphones, computers, gaming, accessories. Chongqing's main civilian electronics market — mix of new and second-hand.消费电子零售批发。智能手机、电脑、游戏设备、配件。重庆主要民用电子市场，新旧品混合。 |
| Shapingba Hi-Tech Zone 沙坪坝高新区 Shapingba District | ADAS radar suppliers, embedded systems, automotive software | 🚇 Lines 3/6, Shapingba area | 77GHz ADAS radar modules, surround-view camera systems, V2X communication units, embedded automotive computers. Chongqing University tech spinoffs.77GHz ADAS雷达模块、环视摄像系统、V2X通信单元、嵌入式车载计算机。重庆大学科技衍生企业。 |
Chongqing produces more vehicles than any other Chinese city — over 2 million annually. This makes it the undisputed capital of automotive and EV electronics sourcing in China. The city hosts Changan Auto (China's largest domestic automaker), CATL battery facilities, Foxconn manufacturing, and 10+ global automotive OEM factories.重庆整车年产量超过200万辆，居全国之首，是中国无可争议的汽车及新能源电子采购中心。城市汇聚了长安汽车（中国最大本土车企）、宁德时代电池基地、富士康制造工厂及10家以上全球汽车OEM工厂。
Unlike Shenzhen (consumer electronics) or Wuhan (photonics), Chongqing specializes exclusively in EV batteries, BMS, ECU, power electronics, ADAS systems, and the complete automotive electronics supply chain.与深圳（消费电子）或武汉（光子学）不同，重庆专注于新能源电池、BMS、ECU、电力电子、ADAS系统及完整汽车电子供应链。
EV Batteries & BMS — Liangjiang New Area hosts CATL LFP 280Ah cell B2B supply, battery module assembly, BMS (Battery Management System) hardware, high-voltage harness systems. Factory-direct pricing for qualified buyers.两江新区提供宁德时代磷酸铁锂280Ah电芯B2B供应、电池模组组装、BMS硬件及高压线束系统，合格买家可享工厂直供价格。
ECU & Auto Parts — Chongqing Auto Parts City is the largest in Southwest China. Bosch and UAES ECU stock, Continental sensors, automotive-grade connectors, CAN/LIN bus tools, transmission electronics. New and refurbished OEM parts.重庆汽配城是西南地区最大汽配市场，提供博世和联电ECU库存、大陆传感器、车规级连接器、CAN/LIN总线工具、变速箱电子件，涵盖新品和翻新OEM配件。
ADAS & Radar — 77GHz ADAS radar modules increasingly available in Shapingba zone. Surround-view camera OEM units, V2X communication modules, LIDAR for L2/L3 integration. Chongqing University spinoffs lead in embedded automotive AI.沙坪坝地区77GHz ADAS雷达模块供货量持续增加。环视摄像OEM整机、V2X通信模块、L2/L3集成用激光雷达，重庆大学衍生企业引领嵌入式汽车AI领域。
Metro Line 6 → Liangjiang (两江) — Key line for EV electronics sourcing. Connects city center to Liangjiang New Area — CATL battery hub and Changan automotive cluster. Journey from Jiefangbei: ~30 min.新能源电子采购关键线路，连通市中心与两江新区——宁德时代电池中心和长安汽车集群。从解放碑出发约30分钟。
Metro Lines 3/6 → Shapingba (沙坪坝) — Auto Parts City and ADAS radar zone. Shapingba is Chongqing's most concentrated automotive electronics district. Most ECU and sensor suppliers within 3km radius.汽配城和ADAS雷达区，沙坪坝是重庆汽车电子最密集的区域，大多数ECU和传感器供应商集中在3公里范围内。
Metro Line 3 → Xiyong (西永) — Foxconn complex and power electronics zone. IGBT suppliers, inverter manufacturers. More industrial environment — bring business credentials. Most suppliers are B2B only.富士康园区和电力电子区，IGBT供应商、逆变器制造商，工业氛围浓厚，需携带营业执照，大多数供应商仅接受B2B。
From Chongqing North Station (重庆北站) — Main HSR hub. Metro Line 6 connects directly. Chengdu 1h, Xi'an 3h, Guiyang 2h. Also Chongqing West Station for some Chengdu-direction HSR.主要高铁枢纽，地铁6号线直达。成都1小时、西安3小时、贵阳2小时，部分成都方向高铁也从重庆西站发车。
EV battery sourcing — CATL and BYD LFP cells require business registration and volume commitments. Always verify cell grade (A/B/C), cycle life data, and UN38.3 transport certification before ordering. Luc handles supplier vetting and QC for battery orders.宁德时代和比亚迪磷酸铁锂电芯采购需提供营业执照和批量承诺。下单前务必核实电芯等级（A/B/C）、循环寿命数据和UN38.3运输认证。Luc提供电池订单供应商审核和质检服务。
ECU verification — Auto Parts City has both genuine OEM and refurbished ECUs. Always check firmware version, connector integrity, and request test reports. Verify CAN/Ethernet interface compatibility before multi-lot orders.汽配城同时销售正品OEM和翻新ECU，务必检查固件版本、连接器完整性并索取测试报告。多批次订单前需确认CAN/以太网接口兼容性。
ADAS modules — 77GHz radar availability has increased significantly in 2025–2026. Specify vehicle platform, integration protocol (CAN/Ethernet), and required certifications (E-Mark, GB standards) upfront.77GHz雷达2025–2026年供货量显著增加。需提前明确车辆平台、集成协议（CAN/以太网）及所需认证（E-mark、国标）。
Chongqing geography — Chongqing is a mountainous city — markets are not all in one flat district like Shenzhen. Plan travel time carefully between zones. Metro is efficient; taxi between districts can take 30–60 min due to terrain.重庆是山地城市，各市场不像深圳那样集中在一片平坦区域。需仔细规划各区域间的行程时间，地铁高效便捷，受地形影响打车跨区需30–60分钟。
Luc Junior Denommee sources EV batteries, BMS systems, ECU modules, ADAS components, and power electronics directly from Chongqing's Liangjiang and Shapingba zones — with full QC and certification verification.Luc Junior Denommee 直接从重庆两江新区和沙坪坝采购新能源电池、BMS系统、ECU模块、ADAS元器件及电力电子产品，提供完整质检和认证核查服务。