Fujian Yunyi Technology Co.,Ltd. was established in Fuzhou High tech Zone in 2020,with the aim of providing specialized products based on high-performance crystal materials and devices.Currently positioned in two major industries：the first isthe environment and energy sector，providing customers with professional grade ultra-high precision detection chipes and derivative products;The second is inthe fields of laser,benchmark,and defense military,providing customers with high-performance laser and nonlinear crystal, frequency conversion packaging devices,and their derivative products.The products in these two fields have initially achieved localization substitution of key components.

At present,the core team members of the company have more than 10 master's and doctoral degrees or above,and 12 senior professional title personnel.We have the ability to develop and manufacture the entire industry chain from crystal growth and preparation,crystal device lithography and etching,crystal chip packaging to ultra-high precision sensors.The company's gas detection chips have reached the international leading level,breaking through the key technological bottleneck of detection chips and consolidating the foundation of national security.