SJ Medical

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As the world transitions into a post-pandemic era, the COVID-19 Antigen Test market has evolved from emergency response to a critical component of permanent public health infrastructure. The global diagnostic landscape now demands a sophisticated blend of rapid results, high sensitivity, and mass accessibility. Today, the industrial status of SARS-CoV-2 testing is characterized by its integration into broader Respiratory Multiplex Panels, where a single lateral flow device can detect COVID-19, Influenza A/B, and RSV simultaneously.
While the initial "gold rush" has passed, the recurring need for seasonal screening in hospitals, elderly care homes, and international travel hubs ensures a multi-billion dollar sustained market.
Innovation is now focused on lowering the detection limit (LOD) and improving the thermal stability of reagents to ensure accuracy in tropical and varied climates.
The industry has shifted toward reliable, large-scale manufacturers like SJ Medical, who possess both the R&D expertise and the regulatory certifications required for long-term supply.
For professional medical buyers, procurement is no longer just about finding the lowest price. The current trend focuses on resilient supply chains and local adaptation. As a leading Custom OEM COVID-19 Antigen Test Supplier, we observe three primary shifts in procurement behavior:
Hangzhou SJ Medical Co., Ltd. was established in 2015 and is dedicated to the research, development, manufacturing, and commercialization of vascular interventional medical devices. The company focuses on both cardiovascular and peripheral intervention fields, striving to provide safe, reliable, and innovative solutions for healthcare providers worldwide.
Over the years, SJ Medical has developed a comprehensive product portfolio covering key areas of vascular intervention. Its offerings span from various types of balloon catheters for coronary and peripheral applications to supporting access and diagnostic devices, as well as advanced stent systems. Through continuous innovation and strong R&D capabilities, the company has obtained multiple patents and international certifications, laying a solid foundation for sustainable growth in both domestic and global markets.

SJ Medical operates a modern manufacturing facility with a total area of approximately 5,000 square meters. The factory is built in accordance with GMP standards and features a high-standard cleanroom environment, including a million-class clean workshop with localized hundred-class areas for critical processes.
The company is supported by a highly experienced technical team, many of whom have been engaged in the medical device industry for decades. Under the leadership of senior engineers, SJ Medical maintains strict quality control and continuously improves its manufacturing processes to ensure product reliability and consistency.
SJ Medical focuses on the development of vascular interventional devices designed for both coronary and peripheral procedures. Its product range integrates interventional access systems, diagnostic catheters, and therapeutic devices, forming a complete solution for minimally invasive vascular treatments. Each product is developed with an emphasis on precision, safety, and clinical performance, aiming to support physicians in achieving optimal procedural outcomes.
The company’s products are widely applied in minimally invasive procedures involving both coronary and peripheral vascular systems. They play an important role in the diagnosis and treatment of vascular diseases, helping to improve procedural efficiency while enhancing patient safety and recovery.
SJ Medical strictly adheres to international quality standards and regulatory requirements. The company has obtained CE certification, ISO 13485 quality management system certification, and CFDA approval, along with free sale certificates, demonstrating its strong commitment to product quality and compliance.
The company is equipped with advanced production and inspection systems, including precision balloon forming equipment, laser welding and marking technologies, and comprehensive laboratory testing facilities. These capabilities ensure high levels of manufacturing accuracy, product consistency, and full-process quality control.
SJ Medical has established long-term partnerships with clients across Europe, Asia, the Middle East, and Africa. Its products are currently distributed in countries such as Finland, Italy, Spain, France, the Netherlands, India, Indonesia, Turkey, and Egypt, among others. The company continues to expand its international footprint and strengthen its global presence.
SJ Medical is committed to providing comprehensive and professional services throughout the entire customer journey. From pre-sales consultation and technical support to efficient order processing and responsive after-sales service, the company ensures that every customer receives timely assistance and reliable solutions.

As a seasoned Custom OEM COVID-19 Antigen Test Supplier based in the high-tech hub of Hangzhou, China, SJ Medical offers a unique proposition for global distributors. Our diagnostic tests are engineered for specific, high-demand local scenarios:
Providing point-of-care (POC) testing for clinics that require hospital-grade precision with the speed of a rapid test.
Easy-to-use self-test kits designed for OTC (Over-the-Counter) retail with clear, localized instructions for consumer use.
Large-format bulk packaging for industrial enterprises to conduct weekly routine employee screenings at scale.
SJ Medical leverages the world’s most robust medical supply chain to offer unmatched advantages:
The transition from a primary focus on vascular intervention to becoming a versatile medical solution provider allows SJ Medical to bring a higher level of "interventional precision" to the field of In-Vitro Diagnostics (IVD). When you choose SJ Medical as your COVID-19 Antigen Test Supplier, you are choosing a partner backed by years of success in the most demanding medical fields.