Transition from producing rare materials to researching and developing infrared materials

Infrared zinc selenide received support from the National Development and Reform Commission's Industrial Revitalization Project

Acquisition of controlling stake in listed company Zhongfei Group

High-tech cultivation enterprises

VOT has opened 1M sqft facility in Chuzhou

Successfully developed 13N ultra-high purity germanium single crystal

Established production lines for cooled&uncooled infrared detector chips

Mass production of picosecond lasers and fiber lasers

Completed the development of over 170 lenses

Successfully selected as one of the tenth batch of innovative information consumption products in Anhui Province

Breakthrough in key core technologies such as large-diameter germanium single crystals, large-sized ultra thick zinc selenide, and zinc sulfide growth

Completion of production capacity construction for gallium antimonide (GaSb), indium antimonide (InSb), and cadmium zinc telluride (CdZnTe)

VOT won the National Specialized and New "Little Giant" Enterprise and First Prizes of Provincial Science and Technology Awards in Anhui Province.

Vertical integrated development