Sanje BioDiagnostic is a Tehran-based Iranian biotech company established in 2021, specializing in rapid test kits, in vitro diagnostic (IVD) products and biological raw materials. Utilizing advanced technologies such as colloidal gold immunoassay, chemiluminescence, fluorescence immunoassay and RT-PCR, Sanje focuses on research and development to deliver affordable and innovative diagnostic solutions. Notably, the company has developed a cost-effective rapid test kit for colorectal cancer.