SDM is a contract research organization (CRO) founded in March 2005, focusing on whole-process clinical trials and registration services with 18 years. The company has been adhering to the professional, branding, and international development goals, in China for global, to support customers to reduce the cost of pharmaceutical product research and development, to accelerate the process of product registration. The headquarter of SDM is located in Beijing, the company has more than 1,200 employees based on in 12 major cities in China, with resident staff in more than 80 cities such as Shanghai, Suzhou, Guangzhou, Chengdu, Nanning, as well as other countries and regions, such as the United States, Singapore and Malaysia. SDM and its subsidiaries provide whole-process clinical trials and registration services, focusing on drugs, vaccines, medical equipment and medical aesthetic, etc.