We manufacture and sell various kinds of semiconductor diodes & Modules.- NIR sensor(1720nm)- SpO2 sensor(diodes)- UV-A,B,C Band LED- Iris recognition sensor IRED(810nm)- Face recognition module- PIR motion sensor- Time to Digital Converter IC- 3-Axis Accelerometer (MEMS)If you have any questions, please do not hesitate to contact us.