Hangzhou MDK Opto Electronic Corp. Ltd. A, together with its subsidiaries, researches, manufactures, and sells optoelectronics, semiconductor optics, semiconductor micro-nano circuits, and intelligent terminals in China and internationally. Its products include semiconductor components such as optical sensor package substrates and carrier glass substrates, biometric products such as optical connectors for 3D structured light modules and infrared bandpass filters, and image products such as smartphone camera filter assemblies and infrared cutoff filters. The company also supplies vehicle-mounted parts, machine vision products, and high-refractive index glass wafer services for AR/MR parts. Founded in 2010, it is headquartered in Hangzhou, China.