Introduction
HKCARD ELECTRONICS CO., LIMITED has established itself as a pinnacle authority in SIM card manufacturing, catering to the telecommunications industry and mobile testing sectors globally. With decades of expertise, we specialize in custom SIM card solutions, programmable SIM technologies, and white-label SIM card services, empowering enterprises to innovate with tailored connectivity solutions.
Our commitment to excellence positions us as a trusted partner for SIM personalization, SIM card programming, and bulk SIM procurement, ensuring seamless integration across 2G, 3G, 4G LTE, VoLTE, and 5G networks.





Core Expertise in SIM Card Manufacturing
At HKCARD, we manufacture high-quality SIM cards with customizable capacities (32K, 64K, 128K, 256K, 512K) and form factors (nano, micro, standard SIM). Our product portfolio includes:
- Standard SIM Cards: 2G GSM SIM Cards, 3G USIM Cards, 4G LTE USIM Cards, 5G SIM Cards.
- Advanced SIM Technologies:
- Writable SIM Cards / Programmable SIM Cards (4G, 5G, and legacy formats).
- Blank Programmable SIM Cards (ideal for OEM customization).
- White Label SIM Cards (private-label solutions for enterprises).
- Test SIM Cards (for R&D, QA, and device validation).
- Dummy SIM Cards (prototyping and simulation purposes).
Our SIM personalization tools enable clients to program, encrypt, and manage SIM credentials securely, supporting OTA (Over-The-Air) provisioning and secure eSIM activation.
Custom SIM Solutions for Diverse Industries
HKCARD empowers businesses across industries with:
- Telecom Carriers: Bulk SIM procurement with custom APN settings, branded UI, and global roaming capabilities.
- IoT & M2M: Custom machine-to-machine SIMs with extended durability and LPWAN support.
- Mobile Device Testing: Ruggedized Test SIM Cards for stress testing, firmware validation, and network compatibility.
- eSIM & iSIM Integration: Transitioning legacy systems to embedded SIM solutions for future-ready connectivity.
Cutting-Edge Programmable SIM Technologies
HKCARD leads the market with state-of-the-art programmable SIM offerings:
- Writable Programmable SIM Cards (4G/5G/LTE) for dynamic provisioning.
- Blank Programmable SIM Card Blanks (nano, micro, standard) for in-house personalization.
- 5G SIM Cards with eUICC Support for multi-IMSI and secure firmware updates.
- Private-Labeled White SIM Cards for service providers and enterprises.
- Test SIM Karten optimized for lab environments and certification testing.
Our SIM personalization tools allow clients to:
- Download custom firmware and program SIM credentials securely.
- Personalize SIM cards with ICCID, IMSI, and encryption keys.
- Test SIM functionality under various network conditions.
HKCARD: Your Trusted SIM Card Partner
With state-of-the-art facilities and ISO-certified quality assurance, HKCARD ensures precision, scalability, and reliability in every order. Whether you need custom SIM cards for IoT, test SIMs for R&D, or private-label solutions, we deliver tailored solutions that reduce time-to-market and enhance efficiency.
Why Choose HKCARD?
✔ End-to-End SIM Solutions: From manufacturing to personalization.
✔ Global Network Support: 2G, 3G, 4G LTE, VoLTE, 5G compatibility.
✔ Custom Capacities: 32K, 64K, 128K, 256K, 512K.
✔ Secure & Scalable: Enterprise-grade encryption & bulk order flexibility.
✔ Technical Support: Expert guidance on SIM personalization tools and deployment.
Conclusion
As the industry authority in SIM card manufacturing and personalization, HKCARD ELECTRONICS CO., LIMITED redefines connectivity for telecom providers, IoT innovators, and mobile testers. Let us help you drive innovation with custom SIM solutions that power tomorrow’s digital ecosystems.
📞 Contact us today to discuss your SIM requirements or explore our SIM personalization tools.
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