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• HKCARD Electronics | Trusted OEM SIM Supplier | Milenage, VoLTE & Private 5G SIM Cards
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• HKCARD Electronics is a leading OEM SIM Supplier with over 15 years of experience in SIM Card Manufacturing and SIM Personalization. We supply Milenage Algorithm SIM, VoLTE ISIM Cards, Writable IMSI SIM Cards, and Private Network SIM Solutions worldwide.

HKCARD Electronics: Your Trusted OEM SIM Card Manufacturer and Personalization Partner

HKCARD ELECTRONICS CO., LIMITED has established itself as one of the most reliable OEM SIM Supplier companies globally. With more than fifteen years of specialized expertise in SIM Card Manufacturing and SIM Personalization, we deliver high-quality solutions to Mobile Network Operators (MNOs), IoT developers, enterprises, and research institutions across continents.

From SIM Card Africa projects to advanced Private 5G deployments, HKCARD is the preferred partner for organizations seeking secure, customizable, and future-ready SIM technology.

Advanced Authentication Solutions: Milenage & TUAK Algorithm SIM Cards

Security remains at the core of modern mobile networks. HKCARD offers a complete range of high-security authentication SIM cards, including:

• Milenage Algorithm SIM
• Milenage algorithm sim cards
• Milenage authentication sim cards
• Milenage SIM
• Milenage/TUAK algorithm sim cards
• Milenage/TUAK authentication sim cards

These solutions are trusted by operators requiring robust 4G LTE and 5G authentication. Whether you need standard Milenage SIM or the enhanced security of Milenage/TUAK, HKCARD delivers consistent performance and full compliance.

VoLTE and Next-Generation Voice Solutions

We are a major supplier of Voice over LTE technology with a strong focus on:

• voLTE ISIM Cards
• VoLTE SIM Karte
• VoLTE Test SIM Cards
• VoLTE Testing SIM
• VoLTE Testing SIM Cards

Our VoLTE solutions are widely used for device certification, network testing, and commercial deployments, ensuring crystal-clear voice quality and seamless handover between LTE and 5G networks.

Private 5G and Enterprise Network SIM Solutions

HKCARD provides specialized Private Network SIM Card Solutions for industries building their own secure networks. Our offerings include:

• Private 5G
• Private Network SIM
• Private Network SIM Solutions
• Private Network SIM Card Solutions
• Open Source SIM
• Open Source Tools

These SIMs are ideal for smart factories, mining operations, ports, and secure corporate campuses. Full compatibility with open-source platforms makes integration fast and cost-effective.

Fully Programmable and Writable SIM Cards

For R&D teams, testers, and system integrators, we offer the industry’s most flexible programmable SIM range:

• Writable ICCID SIM Cards
• Writable IMSI / Writable IMSI SIM / Writable IMSI SIM Cards
• Writable Key SIM Cards
• Writable Ki SIM Cards
• Writable OP or OPc SIM Cards
• Writable SPN, MNC and MCC SIM Cards
• Writable Programmable SIM
• Writable SIM Card OEM

We also supply the necessary hardware and software ecosystem, including SIM Card Programmer, SIM Card Reader Writer, SIM Programming Software, and SIM Personalize Tools.

Complete SIM Card Manufacturing & Global Supply

As an experienced SIM Card Manufacturing company, HKCARD controls the entire production process — from SIM Card Design to final SIM Security Test. Our product portfolio includes:

• Whole SIM Card
• MNO SIM Card
• SIM JAVA 128K
• SIM NFC
• SIM SWP
• SIM Card Wholesale
• SIM Tools

We maintain strong supply chains for SIM Africa and other emerging markets, offering competitive pricing for bulk orders without compromising quality.

 1: Professional SIM Card Manufacturing facility at HKCARD Electronics producing Milenage and VoLTE SIM cards
 2: Technician using SIM Card Programmer to personalize Writable IMSI SIM Cards and Private Network SIM Solutions

Frequently Asked Questions

1. What is HKCARD best known for?
HKCARD is recognized as a reliable OEM SIM Supplier specializing in SIM Card Manufacturing and SIM Personalization with over 15 years of experience.

2. Do you produce Milenage Algorithm SIM cards?
Yes. We manufacture Milenage algorithm sim cards, Milenage authentication sim cards, and Milenage/TUAK algorithm sim cards for 4G and 5G networks.

3. Are your SIM cards suitable for VoLTE testing?
Absolutely. We supply VoLTE Test SIM Cards, VoLTE Testing SIM, and voLTE ISIM Cards for laboratory and field testing.

4. Can I order writable SIM cards for network testing?
Yes. Our Writable IMSI SIM Cards, Writable Ki SIM Cards, and Writable OP or OPc SIM Cards are designed specifically for R&D and customization.

5. Do you support Private 5G network deployments?
We do. Our Private Network SIM Solutions and Private 5G SIM cards are used by enterprises building dedicated mobile networks.

6. What tools do you provide for SIM programming?
We offer complete solutions including SIM Card Programmer, SIM Card Reader Writer, and professional SIM Programming Software.

7. Are you active in the African market?
Yes. SIM Card Africa and SIM Africa are important markets for us, and we provide tailored SIM Card Wholesale solutions for the region.

8. Do you offer open source compatible SIM cards?
Yes. Our Open Source SIM cards work seamlessly with Open Source Tools such as srsRAN, Open5GS, and Osmocom.

9. What memory size is available for your Java cards?
We commonly supply SIM JAVA 128K cards, with options for higher capacities based on customer requirements.

10. How can I contact HKCARD for bulk orders or custom solutions?
You can reach HKCARD ELECTRONICS CO., LIMITED directly through our official website for quotes on SIM Card Manufacturing, Writable SIM Card OEM, or any specialized requirement.

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HKCARD ELECTRONICS CO.,LIMITED
Whatsapp/wechat:+8615817372512
Skype/Teams：byron1681
Email：byronhan@cardmfg.com