COT's main products are Optical Low Pass filter, Infrared-Cut filter, Narrow-Band Pass Filter, Optical Covers and Waveguide. COT inputs continuous R&D investment in optical components, thin film optical panels, AR new display, automotive(HUD) and semi-conductor optics, focusing on smart phones, CCTV, smart home, cars, metaverse, COT provides the first-class optical solutions to global customers.

Zhejiang Crystal-Optech is a R&D and manufacturing enterprise engaged in optical components,thin-film optical panels,semiconductor optics,automotive electronics (AR+),reflective materials,etc. lt was founded in 2002 and was listed on Shenzhen Stock Exchange in 2008 (stock code 002273). After 20 years' in-depth research and technological innovation, it has made great breakthroughs in the fields of imaging, perception and display related to optoelectronics. COT devotes itself to becoming a one-stop optical solution expert to better serve global customers.