StoneLink has reached a strategic cooperation with Sanwei Xinan to promote the deep integration of blockchain and cryptographic technology

On August 19, 2025, the Hong Kong technology company StoneLink Limited officially signed a strategic cooperation agreement in Beijing with the Shanghai Stock Exchange's Sci-Tech Innovation Board listed company, the national high-tech enterprise Sanwei Xinan Technology Co., Ltd. (688489.SH), hereinafter referred to as "Sanwei Xinan." The two parties will carry out in-depth cooperation in multiple key areas to provide higher quality technical solutions and scenario support for the Hong Kong market, creating solutions that can adapt to diverse regulatory environments.

Signing Ceremony of StoneLink and Sanwei Xinan

Sanwei Xinan was established in 2008 and is headquartered in Beijing. It is a national high-tech enterprise and was selected as one of the third batch of "National Specialized and Innovative Key Small Giant Enterprises." As a leading manufacturer in China's cryptographic security field, Sanwei Xinan has long focused on the innovation and research and development of core cryptographic technologies and has led the formulation of several national and industry standards. The company launched the first domestic security level three encryption machine (HSM), which has also passed the international authoritative FIPS 140-2 Level 3 certification. In December 2022, the company successfully landed on the Shanghai Stock Exchange's Sci-Tech Innovation Board, officially entering a new stage in the capital market. Upholding the mission of "protecting the digital world with cryptographic technology," Sanwei Xinan continues to promote the application of commercial cryptographic technology in the fields of digital finance and virtual asset security.

Previously, StoneLink has provided professional digital technology services and system solutions for several industry-leading institutions, demonstrating mature experience in digital technology infrastructure construction and compliance implementation. The company's partners include the Hong Kong licensed virtual asset enterprise HashKey Group, as well as two other compliance financial platforms licensed by the Hong Kong Securities and Futures Commission (SFC), a next-generation AI content generation technology company, several underlying technology platform enterprises, and international media entertainment platforms. At the same time, StoneLink actively assists traditional enterprises in promoting digital transformation by providing comprehensive one-stop solutions covering information infrastructure, compliance system construction, and asset digitization for several listed companies and physical enterprises, helping them innovate their operations and management processes, optimize resource allocation, and enhance overall efficiency.

Zhang Yuegong, Chairman of Sanwei Xinan, stated that our cooperation with StoneLink is a complementary advantage of commercial cryptography and blockchain technology. In the future, we will work together to promote compliant and secure virtual asset custody solutions in Hong Kong and serve more institutional clients.

Wang Xuejun, co-founder of StoneLink, stated that the regulatory system for virtual assets in Hong Kong is becoming increasingly完善, and the market's demand for compliant, secure, and scalable custody solutions continues to grow. Our cooperation with Sanwei Xinan will deeply integrate the hardware security advantages of commercial cryptography with blockchain compliance technology, promoting the construction of digital asset security infrastructure in Hong Kong and even the international market.