QUALITY CONTROL SOLUTIONS LTD.

QCS (QUALITY CONTROL SOLUTIONS) Reference Material R&D Center is a high-tech enterprise under ChemStrong Scientificthat specializes in the research and development, production, testing and value assignment of reference materials. Our R&D center is located in Zhongcheng Life Science Park in Shenzhens Pingshan District, covering an area of 3,000 square meters and equipped with more than 100 advanced instruments and equipment. We currently have over 90 employees, including four teams led by PhD holders, with more than 30% of our staff holding masters degrees or higher. Our expertise spans a range of fields, including organic chemistry, analytical chemistry, pharmacology, pharmacokinetics, process development, and more. Our R&D center is divided into three specialized technical laboratories - separation and purification laboratory, analytical detection laboratory, and organic synthesis laboratory - and a quality department. The QCS Standard Materials R&D Center currently offers over 50,000 standard materials, with annual sales volume exceeding 100 million RMB. The main areas of coverage include pharmaceuticals, agricultural/veterinary drugs, food, and the environment. Our products have provided quality services for the analysis and testing work of over 10,000 enterprises and institutions, including government agencies, universities, research institutes, and manufacturing enterprises.