Shanghai CII Electronics: China's No.1 EMC Filter & BDU / HV Contactor supplier.
Shanghai CII Electronics Co., Ltd., founded in 1999 in Shanghai’s Baoshan District, is a privately owned clean energy manufacturer with 1,000+ employees and 120+ R&D professionals.With a 2025 turnover of €170M, the company leads China’s EV component market: #1 in EMI filters, #2 in BDUs, and #2 in DC contactors.Core products include EMI filters, high-voltage DC contactors (epoxy/ceramic, 30–1,000 A, up to 1,800 VDC), and BDU/PDU units for EVs, energy storage, charging infrastructure, and industrial equipment.Key customers include SAIC, Geely, BYD, Volkswagen, Volvo, Mercedes-Benz, Stellantis, Bosch, Magna, and CATL.Certified to IATF 16949, ISO 9001, ISO 14001, ISO 45001, ISO 27001, with a CNAS-accredited testing lab and production in Shanghai, Chuzhou, Vietnam, and Hungary (ramp-up).
Trade-fair listing
Electromechanics / System peripherals > Relays, switches and keybords > Relays > Hermetically sealed relays [crosswalk: Electromechanics / System peripherals > Relays, switches and keybords]
electronica 2026 exhibitor directory
Checked 26 Sept 2026
No. 1058 Xiaoyun Road, Baoshan District, 200949 Shanghai, China
Shanghai, China
Trade-fair listing
China
electronica 2026 exhibitor directory
Checked 26 Sept 2026
Trade-fair listing
electronica 2026 exhibitor directory
Checked 26 Sept 2026
Trade-fair listing
electronica 2026 exhibitor directory
Checked 26 Sept 2026
Detailed capabilities haven’t been provided.
Trade-fair listing
Automotive > Electrical and hybrid electrical vehicles (EVs and HEVs) > Charging of electric vehicles > Products for high voltage electrical systems [crosswalk: Automotive > Electrical and hybrid electrical vehicles (EVs and HEVs)]
electronica 2026 exhibitor directory
Checked 26 Sept 2026
Trade-fair listing
Automotive > Electrical and hybrid electrical vehicles (EVs and HEVs) > Charging of electric vehicles > Products for high voltage electrical systems [crosswalk: Automotive > Electrical and hybrid electrical vehicles (EVs and HEVs)]
electronica 2026 exhibitor directory
Checked 26 Sept 2026
Trade-fair listing
Automation (A) [crosswalk: Automation (A)]
electronica 2026 exhibitor directory
Checked 26 Sept 2026
Every claim keeps its source. Company-reported information and independent verification are labelled separately.
Trade-fair listing
Automotive > Electrical and hybrid electrical vehicles (EVs and HEVs) > Charging of electric vehicles > Products for high voltage electrical systems [crosswalk: Automotive > Electrical and hybrid electrical vehicles (EVs and HEVs)]
electronica 2026 exhibitor directory
Checked 26 Sept 2026
Trade-fair listing
Automotive > Electrical and hybrid electrical vehicles (EVs and HEVs) > Charging of electric vehicles > Products for high voltage electrical systems [crosswalk: Automotive > Electrical and hybrid electrical vehicles (EVs and HEVs)]
electronica 2026 exhibitor directory
Checked 26 Sept 2026
Trade-fair listing
Automation (A) [crosswalk: Automation (A)]
electronica 2026 exhibitor directory
Checked 26 Sept 2026
Trade-fair listing
Electromechanics / System peripherals > Relays, switches and keybords > Relays > Hermetically sealed relays [crosswalk: Electromechanics / System peripherals > Relays, switches and keybords]
electronica 2026 exhibitor directory
Checked 26 Sept 2026
Trade-fair listing
China
electronica 2026 exhibitor directory
Checked 26 Sept 2026
Trade-fair listing
electronica 2026 exhibitor directory
Checked 26 Sept 2026
Trade-fair listing
electronica 2026 exhibitor directory
Checked 26 Sept 2026
A starting point for your supplier conversation.
electronica 2026 exhibitor directory · 26 Sept 2026
electronica 2026 exhibitor directory · 26 Sept 2026
electronica 2026 exhibitor directory · 26 Sept 2026
Manufacturing processes: not confirmed
Services and capabilities: not confirmed
Certifications: not confirmed
org type: not confirmed
Manage products, locations and the facts buyers and agents can retrieve.
Claim this profile Free. A work email on the company’s domain confirms it instantly.AI can make mistakes. Check sources and confirm requirements with the supplier.