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eID-KYC
In the 5G era, every connection matters. From smartphones to vehicles and IoT devices, secure connectivity forms the foundation of our digital lives.
With decades of expertise in SIM, eSIM, and Remote SIM Provisioning technologies, BHZ delivers trusted, end-to-end connectivity solutions that enable operators, OEMs, government and enterprises to connect, manage, and protect their devices—securely and seamlessly.Our solutions help partners accelerate digital transformation, reduce operational complexity, and build trust through security-driven connectivity.
Next-gen SIM/eSIM solutions for smartphones, tablets, and wearables — ensuring seamless activation, remote management, and user convenience.
Secure SIM and soft SIM technologies designed for massive IoT deployment and remote device management.
Automotive-grade SIMs/eSIM and RSP solutions powering connected vehicles and digital key applications.
Every day, billions of users depend on a small chip inside their phones to stay connected to the world. Behind that simplicity lies our innovation—SIM/eSIM solutions that make communication effortless.From the first power-on to the latest 5G experience, we ensure each connection is authenticated, encrypted, and optimized for performance.
With the rise of eSIM, switching networks or activating new services becomes as easy as a tap, giving consumers true freedom and control. Combined with Remote SIM Provisioning and subscription management platforms, make activation, network switching, and multi-application management effortless for operators and OEMs.
→ eSIM solution: A smarter, safer, and greener way to connect.
→ SIM solution:
As the Internet of Things(IoT) expands, every sensor, meter, and industrial gateway needs a secure identity and a reliable link to the cloud. That’s where our IoT connectivity solutions come in.
We design IoT-optimized SIMs and eSIM technologies that withstand harsh environments, stay active for years, and communicate intelligently even in remote conditions. Paired with our cloud-based management platform, enterprises can monitor, update, and secure their entire device fleet—from factories to smart cities—with a single interface.
→ eSIM IoT Platform: Turning connected things into trusted partners in the digital economy.


Modern vehicles are no longer just machines—they’re intelligent, connected ecosystems. We help automakers bridge vehicles, drivers, and digital services with secure, global connectivity.
Our automotive-grade SIMs/eSIMs and communication modules are designed for extreme conditions, ensuring always-on performance throughout a car’s life cycle. Beyond connectivity, our digital key and authentication technologies redefine how people interact with vehicles—making access, personalization, and safety seamless.
Together with global partners, we empower automakers to transform the driving experience into a continuously evolving digital journey.
→Automotive Solution: Building trust at every turn of the connected road.
→ Key Card
BHZ delivers a full spectrum of secure connectivity products—from eSIM enablement to IoT modules and automotive connectivity platforms—helping partners unlock the next generation of intelligent connections.
→Explore Our Product Portfolio

Hardware-rooted trust through SE/eSE, key management, and encrypted communication.
GSMA-certified solutions supporting major operators and devices worldwide.
End-to-end combination of SIM/eSIM products, eSIM management platforms, connectivity and management systems for seamless lifecycle support.
Eco-designed products and energy-efficient manufacturing for a greener future.
Please share details about your connectivity requirements, such as “IoT connectivity solution inquiry”, “SIM card procurement”, “Connectivity security consultation”, etc., to help us understand and serve you better.
Gaojiayuan 1#,Chaoyang District, Beijing, China