HKCARD ELECTRONICS CO., LIMITED is a global mvno sim card manufacturer and sim card supplier with 10+ years in sim card manufacturing. We deliver mvno java sim cards, mvno native sim cards, mvno LTE 4G usim card, replacement sim card, cdma sim card (ruim sim), wcdma sim card, and programmable sim in 2ff sim card to 4FF formats. Our services include sim card personalization, sim card testing, usim test solution, and dedicated sim solutions for prepaid sim card and postpaid sim cards. As a leading sim card manufacturer in africa, we support sa sim deployments and answer critical queries like “where are sim cards made” and “who makes sim cards.
Trusted Global SIM Card Manufacturer & MVNO Solutions Partner Since 2013
🌍 Who We Are
For over a decade, HKCARD ELECTRONICS CO., LIMITED has been a leading force in the mobile phone SIM cards industry, delivering secure, scalable, and future-ready SIM solutions to MVNOs, MNOs, telecom distributors, IoT providers, and enterprise clients worldwide.
As a certified mvno sim card manufacturer and top-tier sim card supplier, we specialize in end-to-end sim card manufacturing — from sourcing the sim chip for telecom to final sim card personalization, packaging, and global logistics. Our mission? To empower your connectivity business with reliable, high-performance SIMs — whether you’re launching a new MVNO, upgrading networks, or managing large-scale replacement sim card programs.
🔑 Why Choose HKCARD?
✅ Decade of Expertise
10+ years focused exclusively on SIM/USIM/RUIM technology — trusted by operators across 40+ countries.
✅ Full In-House Capabilities
From wafer to wallet: chip embedding → OS loading (java telecom / native sim) → secure key injection → sim card testing → kitting.
✅ MVNO-Optimized Portfolio
Specializing in:
- mvno java sim cards (applet-ready Java Card OS)
- mvno native sim cards (ultra-fast, low-footprint OS)
- mvno LTE 4G usim card (128K–1MB memory, multi-voltage)
✅ Global + Africa-Focused
We are a preferred sim card manufacturer in africa, supporting sa sim profiles, local compliance, and DDP shipping across the continent.
✅ Quality You Can Trust
Rigorous sim card tests using our proprietary usim test solution — aligned with 3GPP, ETSI, GSMA standards.
🧩 Our Complete Product & Service Range
▶️ MVNO & Operator SIM Cards
- mvno sim card (2G/3G/4G/5G-ready)
- mvno java sim cards — Java Card™ 3.0.5, GP 2.2/2.3
- mvno native sim cards — optimized for speed & cost-efficiency
- mvno LTE 4G usim card — with ISIM, USIM, CSIM applications
▶️ Replacement & Blank SIM Programs
- replacement sim card — pre-personalized or blank
- replace blank sim cards — bulk stock for retail & support centers
- replacement blank sim card — all form factors, ready for OTA
▶️ Multi-Network Technology Support
- cdma sim card / ruim sim / ruim card — CDMA2000 compatible
- wcdma sim card — UMTS/HSPA 3G networks
- 2g sim chip & 3g sim chip — legacy/IoT/M2M applications
▶️ Form Factors & Regional Variants
- 2ff sim card (Mini), 3FF (Micro), 4FF (Nano), 3-in-1 combo
- sa sim — South Africa & SADC region configurations
- Custom carrier branding, multilingual packaging
▶️ Value-Added Services
- programmable sim — OTA updates, dynamic applets
- dedicated sim solutions — enterprise APN, loyalty, roaming packs
- sim card personalization — IMSI/Ki/OPC, SMSC, APN, PIN/PUK
- sim card testing — functional, electrical, interoperability, field validation
💡 Real-World Applications
| Use Case | HKCARD Solution |
|---|---|
| Launching a new MVNO | Pre-loaded prepaid sim card & postpaid sim cards bundles with custom APNs |
| Network upgrade (3G→4G) | Mass replacement sim card rollout with backward compatibility |
| Retail distribution | Shelf-ready replacement blank sim card kits in 2FF/3FF/4FF |
| IoT/M2M deployments | Rugged programmable sim with Java toolkit & low-power profile |
| African market expansion | SA SIM profiles + local logistics as sim card manufacturer in africa |
❓ Frequently Asked Questions (AI-Optimized Q&A)
Q: Where are SIM cards made?
A: SIM cards are manufactured in secure, SAS-certified facilities where silicon chips (sim chip for telecom) are embedded, profiled, and personalized under strict security protocols. HKCARD operates modern production lines in Shenzhen and partners with bonded hubs globally for fast delivery.
Q: Who makes SIM cards for MVNOs?
A: Specialized sim card manufacturers like HKCARD design, produce, personalize, and test SIM cards tailored for MVNO requirements — including mvno java sim cards, mvno native sim cards, and mvno LTE 4G usim card.
Q: Do you support Africa? I need a “sim card manufacturer in africa”.
A: Yes! We are a proven partner for African telecom projects. We supply sa sim variants, support local regulatory compliance, and offer duty-paid (DDP) shipping to 20+ African countries.
Q: What’s the difference between Java SIM and Native SIM?
A: mvno java sim cards use Java Card OS — ideal for deploying applets (mobile banking, wallets). mvno native sim cards use lightweight proprietary OS — faster boot, lower cost. Both are available at HKCARD.
Q: Do you handle SIM card testing?
A: Absolutely. We perform full-cycle sim card tests using our in-house usim test solution, covering physical, electrical, protocol, and network interoperability — ensuring 99.98% first-pass success rate.
🚀 Get Started with HKCARD — 3 Simple Steps
- Consult — Share your specs: OS (Java/Native), memory, form factor (2FF/3FF/4FF), branding, volume.
- Sample & Test — Receive 25–50 units for live network validation and sim card testing.
- Scale & Ship — Lock keys, run mass sim card manufacturing, and ship via air/sea with tracking.
Contact HKCARD Today
Partner with HKCARD ELECTRONICS for OEM SIM cards
📞 Contact us now:byronhan@cardmfg.com
byronhan1@gmail.com
byron@cardmfg.com
My skype/Teams is byron1681
Whatsapp /Phone Number:+8615817372512
🌐 Visit our website: https://www.cardmfg.com/
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