JW (Cayman) Therapeutics Co. Ltd, a clinical stage cell therapy company, engages in the research and development, manufacturing, and marketing of anti-tumor drugs in the People's Republic of China. It offers cell-based immunotherapies, including CAR-T treatments, which is a treatment method that uses human immune cells to fight cancer. Its lead product candidate is Carteyva (relmacabtagene autoleucel), an anti-CD19 chimeric