Core Qualifications

| Burning Rock has medical examination licenses for high-throughput sequencing (including the license for medical laboratory, annual quality system operation examination and verification certificate for medical laboratory, qualification for clinical gene amplification testing laboratory, etc.);

| Burning Rock-CTONG joint laboratory has obtained the technical certification of “High-throughput sequencing laboratory” issued by Guangdong Center for Clinical Laboratory, and the CLIA and CAP laboratory quality system certification.

| Till June 2020, Burning Rock Dx passed 108 high-throughput sequencing external quality assessments organized by authoritative national and international institutions in total, including NCCL, PQCC, EMQN, CAP, etc.