SIM Card

Empowering Your Mobile Digital Life

The SIM card is an indispensable component of our daily lives, connecting billions of users worldwide. Its journey from a fundamental authentication tool to a versatile and secure device has shaped the way we engage with mobile technology

Your Trusted Partner for SIM, eSIM, and Super SIM Solutions

SIM

Tianyu is a leading provider of smart card operating systems and GSMA compatible SIM cards in China. With over 20 years of experience and expertise in card operating systems, we were among the first to release COS (Card Operating System) with our own copyright. 


Our in-house factory specializes in manufacturing various sizes (2FF, 3FF, or 4FF) of (U)SIM cards, meeting the diverse needs of mobile devices. We are dedicated to delivering high-quality, reliable solutions to our valued customers.

SIM
eSIM

eSIM

Tianyu offers comprehensive eSIM solutions, including an EUICC (eSIM) platform and embedded SIM card (eSIM) solutions. With eSIM technology, users can switch providers and plans without physical SIM card replacements.


Our eSIM platform enables remote control and management of SIM devices, providing functions such as customer data access, remote downloads, and operator switching. It complies with GSMA standards, ensuring security and compatibility.

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Super SIM

Tianyu Super SIM Solution is at the forefront of unlocking new possibilities in the telecom industry. With its advanced features and capabilities, including digital certificates and RSA algorithms, the Super SIM card offers enhanced computing power and high-speed channels for seamless application downloads. This solution serves as a unique platform for operators to connect with their customers, providing stackable features for transportation services, campus cards, access control, and digital IDs.

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Super SIM

Efficient Platforms for Seamless Control and Connectivity

OTA Platform

Tianyu OTA (Over-The-Air) platform, known as DSTK, offers official management functions for remote control of (U)SIM cards. With DSTK, operators can remotely manage applications and settings on (U)SIM cards, transforming them into interactive interfaces for releasing, updating, and customizing services.

Efficient Platforms
eSIM Connectivity Management

eSIM Connectivity Management

Our comprehensive eSIM Connectivity Management solution offers a user-friendly interface for subscribers and mobile operators to manage profiles, devices, plans, and data efficiently.

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eSIM Subscriber Application (SM-DP+)

eSIM Subscriber Application (SM-DP+)

Our eSIM Subscriber Application, including the Local Profile Assistant (LPA), enables remote management of eSIM terminals and profiles for mobile operators and terminal providers. It simplifies the addition or deletion of multiple IMSI profiles and facilitates seamless network switching.

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Tianyu Certificate

Tianyu Certificate