Hangzhou MDK Opto Electronics Co., Ltd engages in the research, manufacture, and sales of optoelectronics and optical semiconductor products in China. It offers optical sensor package substrates and carrier glass substrates, as well as ceramic substrate precision machining services; and biometric products, such as optical connectors for 3D structured light modules, biometric infrared bandpass optical filters, semiconductor wafer optical solutions, and optical filters for fingerprint recognition modules. The company also provides image products, including smart phone and security camera filter assembly, infrared cutoff and optical low pass filters, ultra-low reflection optical lens, optical wavelength plates, and sapphire products; vehicle-mounted parts, such as pattern coating on glass wafer and absorption coated filters; and machine vision products. Hangzhou MDK Opto Electronics Co., Ltd was founded in 2010 and is based in Hangzhou, China.