HKCARD Electronics is a reliable SIM card supplier in China, offering Java 128K SIM cards, 64K GSM SIM cards, prepaid SIM cards, STK SIM cards, OTA SIM cards, and customized mobile SIM solutions.

Reliable SIM Card Supplier in China

HKCARD ELECTRONICS CO., LIMITED is a reliable SIM card supplier in China with years of experience in smart card manufacturing and mobile SIM card solutions. We supply a wide range of SIM cards for telecom operators, mobile phone factories, distributors, and testing projects.

Our products include Java 128K SIM cards, 64K GSM SIM cards, blank SIM cards, prepaid SIM cards, and programmable SIM solutions. We also support customization for different network applications and commercial requirements.

SIM Card Solutions for GSM Networks

Our SIM cards are designed for GSM network applications and support basic voice and data services. In addition to standard mobile communication functions, many of our cards also support STK menus, OTA updates, and value-added services.

Common product types include:

• blank SIM cards
• prepaid SIM cards
• phone SIM cards
• programmable SIM cards
• CDMA SIM cards
• recharge SIM cards

These SIM cards are widely used in mobile communication projects, operator services, and telecom testing environments.

Java 128K SIM Card

The Java 128K SIM card is suitable for customers who need programmable SIM solutions with more storage and flexible application support. It can be used for:

• programmable blank SIM card applications
• CDMA SIM card projects
• recharge SIM card solutions
• telecom testing and customization

This type of SIM card is often chosen for advanced service development and customized operator requirements.

64K GSM SIM Card

Our native 64K GSM SIM card is designed for standard GSM mobile use. It supports:

• programmable blank SIM card functions
• CDMA SIM card applications
• prepaid SIM card use

This product is suitable for customers who need a stable and practical SIM card for basic mobile services and network compatibility.

STK, OTA, WIB, Java, S@T, and Celltick SIM Cards

HKCARD supplies multiple SIM card families for different telecom applications. These products are designed to support service menus, remote updates, and mobile value-added applications.

Product Families

These cards are widely used by telecom operators that need flexible service delivery and application support.

Standards and Compatibility

Our SIM card products are manufactured according to common telecom standards, including:

• ISO 7816
• GSM 11.11
• GSM 11.12
• GSM 11.14
• GSM 03.48
• OTA1 / OTA2 / OTA3 specifications
• carrier-specific requirements

This helps ensure compatibility with different telecom platforms and mobile devices.

Security and Authentication

Security is an important part of SIM card production. Depending on the product type and customer requirements, our cards can support authentication algorithms such as:

• COMP128-1
• COMP128-2
• COMP128-3
• DES / 3DES

These authentication methods are used to protect subscriber identity and support secure network access.

Product Features

HKCARD SIM cards are designed for practical telecom use. Main features include:

• subscriber identity authentication
• voice and data support for GSM networks
• data storage for telecom services
• backup mechanisms for data integrity
• PPS and Clock Stop Mode support
• anti-cloning protection
• fast phone book and SMS access
• STK-based value-added applications
• OTA update support
• support for short message broadcasting
• large phone book management
• compatibility with China Mobile specifications
• broad terminal compatibility

Order Process

To make the ordering process simple and clear, we usually work in the following steps:

1. Customer inquiry – You send us your requirements and we provide a quotation.
2. Technical confirmation – After price confirmation, we prepare testing cards based on your specifications.
3. Testing and feedback – You test the cards and let us know if any changes are needed.
4. Artwork confirmation – You send your artwork and we prepare the printing proof.
5. Sample approval – After confirming the proof, we prepare sample cards.
6. Mass production – Once the sample is approved and the deposit is arranged, we start production.
7. Delivery – Goods are shipped according to the agreed trade terms.

Why Choose HKCARD Electronics

HKCARD ELECTRONICS CO., LIMITED has built a strong reputation in smart card manufacturing and telecom card supply. Our advantages include:

• more than 13 years of experience in smart card manufacturing
• support for telecom, banking, and identity card projects
• in-house know-how for OS development and application support
• high production capacity for bulk orders
• strong service support for global customers
• long-term after-sales support
• customization for operator and brand requirements

We supply mobile SIM solutions to customers in multiple countries and regions, and we continue to focus on stable quality, professional support, and reliable delivery.

Applications

Our SIM cards are suitable for:

• GSM mobile network services
• prepaid and recharge SIM projects
• telecom operator deployment
• mobile phone factory testing
• service menu and OTA applications
• value-added mobile services
• customized telecom projects

Frequently Asked Questions

1. What SIM card types do you supply?

We supply blank SIM cards, prepaid SIM cards, Java 128K SIM cards, 64K GSM SIM cards, STK SIM cards, OTA SIM cards, WIB SIM cards, S@T SIM cards, Celltick SIM cards, and HC SIM cards.

2. Are your SIM cards suitable for GSM networks?

Yes. Our SIM cards are designed for GSM network applications and support voice, data, and value-added services.

3. Do you provide programmable SIM cards?

Yes. We offer programmable blank SIM cards for telecom and customization projects.

4. Can you support prepaid SIM card projects?

Yes. We supply prepaid SIM card solutions for different mobile applications.

5. Do you offer bulk orders?

Yes. We support bulk supply for distributors, telecom operators, and factory customers.

6. Can you customize SIM cards based on our requirements?

Yes. We can support customization according to your technical and branding needs.

Contact HKCARD Electronics

If you are looking for a reliable SIM card supplier in China, HKCARD ELECTRONICS CO., LIMITED is ready to support your project with stable products and professional service.

HKCARD ELECTRONICS CO., LIMITED
WhatsApp / WeChat: +86 15817372512
Skype: byron1681
Website: https://www.cardmfg.com

Payment Terms: L/C, D/P, T/T, Western Union, MoneyGram, PayPal
Delivery: Hong Kong / Shenzhen
Origin: China
Packing: Standard export package
Inspection: Available