Hangzhou Yong Hee Photonics Co.,Ltd was founded in 2001.It lies in the beautiful city-Hangzhou and is devoted to the manufacturing and development of laser crystals,laser modules,optical components,infrared crystals,scintillation crystals,electro/acoustic-optics crystals,also we are active to provide users with value-added services as design,customization repair,coating etc.,

We have gone through 20 years and owned a good team and advanced instruments.We are being widely involved in laser system, infrare...