Hello! I’m the founder and managing director of HKCARD ELECTRONICS CO., LIMITED, and I’m proud to say that our company has been a leading manufacturer and supplier of NFC SIM Card and 4G Nano+NFC Factory Sim Card solutions for over 15 years. We serve telecom operators, financial institutions, governments, and IoT developers in over 85 countries — and today, I want to personally introduce you to the full range of our high-performance SIM products.

🔧 What We Specialize In

We manufacture and supply a wide range of factory-direct NFC SIM solutions, including:

  • ✅ 4G Nano+NFC Factory Sim Card 1.8V – Optimized for legacy devices with lower voltage requirements
  • ✅ 4G Nano+NFC Factory Sim Card 3.6V – Compatible with most mid-range smartphones and tablets
  • ✅ 4G Nano+NFC Factory Sim Card 1.62V-5.5V – Universally compatible with virtually all mobile devices
  • ✅ 4G Nano+NFC Factory Sim Card V3.0 C-CLASS – Our flagship product with advanced security and connectivity
  • ✅ 4G Nano+NFC – Compact, powerful, and future-ready
  • ✅ Factory Sim Card V3.0 C-CLASS – Built for high-speed LTE and secure data transmission
  • ✅ NFC SIM Card / NFC SIM / NFC-SIM / sim nfc / nfc sim – Designed for contactless payments, access control, and mobile ID
  • ✅ sim swp – Single Wire Protocol-enabled for seamless mobile wallet functionality
  • ✅ nfc sim cards / nfc white blank card – Fully customizable for branding and private labeling
  • ✅ nfc sim karte / kartu nfc / nfc simkaart – Multilingual support for global deployment
  • ✅ nfcsim / nfc usim / nfc simkaart – 5G-ready and secure for IoT and fintech
  • ✅ test sim card / nfc sim kart / tarjeta SIM NFC – For network testing, development, and validation

🚀 Why Choose HKCARD as Your NFC SIM Manufacturer?

1. Unmatched Product Variety

We offer 4G Nano+NFC Factory Sim Cards in multiple voltage options (1.8V, 3.6V, 1.62V-5.5V), ensuring compatibility with virtually every device on the market.

2. Advanced Technology

Our 4G Nano+NFC Factory Sim Card V3.0 C-CLASS supports:

  • LTE Cat-4 speeds
  • JavaCard 3.0 & GlobalPlatform 2.3.1
  • OTA configuration
  • Secure element for payments and identity

3. Customization & Flexibility

Need nfc white blank card or test sim card solutions? We offer:

  • Full customization (printing, packaging, serialized IDs)
  • Fast prototyping (samples in 48 hours)
  • Bulk production with global express shipping

4. Certified Quality Assurance

ISO 9001, RoHS, and REACH compliant. Every batch is tested for reliability, compatibility, and performance.

📱Ready FAQs

Q: What is the difference between 4G Nano+NFC Factory Sim Card 1.8V and 3.6V?
A: The main difference lies in voltage compatibility. 1.8V cards are ideal for older or low-power devices, while 3.6V cards are compatible with most modern smartphones and tablets.

Q: Can I use sim swp with your NFC SIM cards?
A: Yes. All our nfc sim cards support sim swp, enabling secure communication between the SIM and the phone’s NFC antenna for mobile payments and access control.

Q: Do you offer test sim card kits for developers?
A: Yes. Our test sim card kits come with developer credentials, documentation, and OTA support for rapid application development and network integration.

Q: Are your nfc sim karte and kartu nfc products customizable?
A: Absolutely. We offer nfc white blank card options with custom printing, QR codes, and packaging tailored to your brand or campaign.

Q: What is the voltage range of the 4G Nano+NFC Factory Sim Card 1.62V-5.5V?
A: This universal model supports voltages from 1.62V to 5.5V, making it compatible with virtually all mobile handsets and IoT devices.

🛠️ Technical Specifications Overview

FeatureSpecification
Form FactorNano SIM (4FF)
Voltage Options1.8V, 3.6V, 1.62V-5.5V
Memory32KB – 128KB EEPROM
Connectivity4G LTE Cat-4
SecurityEAL5+ Secure Element
ProtocolsISO/IEC 7816, SWP
ApplicationsPayments, Transit, Access Control, IoT

 

  1. “Best 4G Nano+NFC Factory Sim Card V3.0 C-CLASS Supplier – HKCARD Delivers Globally”
  2. “Buy 4G Nano+NFC Factory Sim Cards in 1.8V, 3.6V, and Universal Voltage – Factory Direct”
  3. “Custom NFC SIM Cards & nfc white blank card Manufacturer – Fast, Reliable, Scalable”
  4. “Test SIM Card Kits & nfc sim kart for Developers – Complete Documentation Included”
  5. “Global NFC SIM Supplier – 4G Nano+NFC, NFC-USIM, and SIM SWP Experts”

 

#4GNanoNFC
#NFCSIMCard
#FactorySimCard
#SimSWP
#NFCWhiteBlankCard
#NFCSIMKarte
#KartuNFC
#TestSimCard
#TarjetaSIMNFC
#SmartCardSolutions

📩 Ready to Connect?

If you’re looking for a reliable partner for 4G Nano+NFC Factory Sim Card 1.8V, nfc sim kart, or test sim card solutions, I’m here to help. We offer factory-direct pricing, fast delivery, and unmatched customization.

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/

HKCARD ELECTRONICS CO., LIMITED – Powering the Future of Connectivity
Trusted by 1,000+ Companies in 85+ Countries.

All products are CE, RoHS, and REACH certified. Samples available upon request.

#NFCWhiteBlankCard