Hong Kong Automotive X’tals Limited (HKA) is a leading manufacturer of high-reliability quartz crystal resonators and oscillators. With over 30 years of dedicated service to the global automotive industry including pioneering the production of crystals for automotive airbag applications since 1999. Headquartered in Hong Kong with advanced manufacturing facilities in China, HKA specializes in delivering high-reliability frequency control solutions that meet the stringent demands of automotive applications.
Core Expertise
Starting from beginning, HKA has been serving automotive industry with legacy applications including:
| Application Area | Product Role | Key Requirements |
| Airbag Systems | Precise timing for deployment circuits | Ultra-high reliability, zero-fault tolerance |
| TPMS (Tire Pressure Monitoring Systems) | Stable frequency reference for RF transmission | Wide temperature range (-40°C to +150°C), low power |
| ECUs (Electronic Control Units) | Clock source for engine, transmission, and body control | AEC-Q200 qualification, long-term stability |
While specializing in these high-demand safety systems, HKA can also supply a comprehensive portfolio of automotive-grade components tailored for less demanding automotive applications.
Quality & Certifications
- IATF 16949 automotive quality management system
- AEC-Q200 compliant products for passive components
- ISO 9001 quality management
- Laboratory Accreditation Certificate from China National Accreditation Service for Conformity Assessment (CNAS)
- Key Drafting Member for T/CIET 1266-2025 “Technical Specification of Crystal Oscillator for Industrial Control”, an initiative organized by the China Association for Promoting International Economic & Technical Cooperation
- Full PPAP (Production Part Approval Process) support
- 8D problem-solving methodology for customer complaints
Why HKA?
With two decades of automotive industry experience, HKA understands that frequency components in vehicles are not just parts — they are safety-critical elements. The company’s commitment to zero-defect manufacturing, combined with robust failure analysis capabilities (including decapsulation, X-ray, and environmental stress testing), ensures that every crystal delivered meets the highest standards of reliability and performance.