IATF 16949 certified, covering ECU, ADAS, New Energy Vehicle BMS, T-Box and full system range. AEC-Q tested and compliant with CISPR 25, ISO 11452 and other automotive standards—protecting your electrification and intelligent solution development.
From traditional fuel vehicle ECUs to new energy EV BMS, from L2 autonomous driving to L3/L4 advanced driver assistance, Ruishuo Metal provides professional shielding solutions for all automotive electrical systems.
Engine control, transmission control, and chassis control unit EMI shielding cans. Single or multi-module integrated shielding, oil and salt-spray corrosion resistant, operating temperature -40~125℃.
mmWave radar, camera DSP, ultrasonic sensor control unit shielding solutions. Multi-antenna RF isolation, high-frequency shielding (77GHz optimized), with functional safety and reliability certifications.
Battery Management System shielding solutions. Supporting multi-chip isolation, high-isolation voltage design, and waterproof/grease-resistant protection. Meeting high-temperature operation (up to 130℃) and long-life requirements.
4G/5G communication module and vehicle connectivity gateway shielding solutions. Multi-band isolation (LTE/5G/WiFi/Bluetooth), antenna isolation optimization, meeting EMC and ESD requirements.
Automotive industry quality management system certification covering design, production, and inspection across all processes
Automotive electronics component reliability testing standard including high-temperature storage, thermal cycling, humidity testing
Radio disturbance characteristics for vehicles, vessels and small power generators—fundamental EMC standard
Electromagnetic pulse immunity testing simulating electrostatic discharge and transient interference
Electromagnetic compatibility requirements and test methods—China automotive EMC standard
NSS 500h testing ensuring surface treatment corrosion resistance for coastal and winter salt environments
| Specification Item | Standard Requirements | Ruishuo Capability |
|---|---|---|
| Operating Temperature Range | -40~125℃ (some 130℃) | -40~150℃ (including accelerated aging) |
| Shielding Efficiency | ≥70dB@1MHz | ≥80dB@1MHz, multi-band optimized |
| Dimensional Tolerance | ±0.05~±0.1mm | ±0.03mm (precision shielding) |
| Surface Treatment | Nickel-Chromium, Gold Plating, Phosphating | Full range of processes, custom support |
| Salt-Spray Testing | NSS 500h (neutral salt spray) | NSS 1000h pass, superior surface |
| Vibration Testing | IEC 60068-2-64 | 10~2000Hz, all axes pass |
| Thermal Cycling | -40~85℃, 100 cycles | -40~125℃, 150 cycles pass |
| ESD Protection | ±4kV (contact discharge) | ±8kV (with protective design) |
Serving telecom, consumer electronics, automotive, medical and many other industries
20+ high-precision stamping presses, 20-member professional R&D team, 2-3 day fast delivery, providing full-process service from design to mass production
Stamping Workshop
Equipped with 20+ high-speed precision stamping presses, with a daily stamping capacity of 3 million strokes and accuracy of ±0.01mm.
Tooling Center
20-member professional R&D team, producing 100+ sets of precision tooling per month, from drawings to finished products in as fast as 2-3 days.
Quality Lab
Incoming inspection → In-process control → Final inspection → Shipping inspection, dual certified with ISO 9001 and IATF 16949.
Whether retrofit of traditional ECUs or all-new EV architecture, we have mature shielding solutions. Complete testing and verification processes ensure your products pass vehicle-level EMC testing on the first attempt.
Main reasons for higher automotive can costs:
However, relative to total vehicle BOM cost, shielding cans represent only 0.2~0.5%—good return on investment.
AEC-Q200 Grade B testing (our standard package) includes:
We provide complete AEC-Q200 Grade B test reports with expedited options.
Absolutely. We have multiple high-voltage BMS projects:
We recommend coordinating with our engineers regarding your specific architecture for optimal isolation and thermal design.
Our support process:
We recommend joint lab shielding efficiency testing during sample phase.
