Burning Rock Biotech Limited develops and sells cancer therapy selection tests in the People's Republic of China and the United States. It operates in three segments: Central Laboratory Business, In-Hospital Business, and Pharma Research and Development Services. The company offers next-generation sequencing (NGS)-based tissue, liquid biopsy cancer therapy selection, and prognosis prediction tests for various cancer types, including lung cancer, gastrointestinal cancer, prostate cancer, breast cancer, lymphomas, thyroid cancer, colorectal cancer, ovarian cancer, pancreatic cancer, and bladder cancer using tissue and liquid biopsy samples. Its key products include OncoScreen Focus, a multi-gene tumor mutation co-detection test kit for non-small cell lung cancer (NSCLC) patients; OncoScreen Plus, a pan-cancer test for tissue samples; OncoCompass Plus, a corresponding test for liquid biopsy samples; OncoCompass Target, a ctDNA liquid biopsy-based test for NSCLC; and ColonCore for assessing microsatellite loci related to MSI status and detecting mutations in genes associated with gastrointestinal cancers.