China’s National Medical Products Administration (NMPA) granted Approval to AmoyDx® PD-L1 Expression Detection Kit (IHC) for guiding the first-line treatment of Pembrolizumab in non-small cell lung cancer patients. E1L3N antibody is highly consistent with 22C3 at an overall agreement rate up to 95.87%, and the good efficacy has verified that the product can better identify patients with NSCLC who are suitable for Pembrolizumab monotherapy.