Tonsun International Technology (Beijing) Co., Ltd.

Tonsun International is a specialized Clinical Research Organization (CRO) headquartered in Beijing, China, that provides high-end services for pharmaceutical and medical device clinical trials. The company is primarily recognized for its leadership in Central Imaging Lab (CIL) services, offering comprehensive solutions for medical imaging data management, analysis, and blinded independent central reviews. Tonsun's capabilities extend to clinical data management, Electronic Data Capture (EDC) systems, and regulatory consulting. By leveraging advanced digital platforms and a deep understanding of international regulatory standards, the firm assists global sponsors in conducting efficient and compliant clinical research. Tonsun plays a critical role in oncology and cardiovascular trials where precise imaging endpoints are essential for regulatory approval.