Recently, Tsinghua University purchased a set of portable Fourier transform infrared multi-component gas analyzers. Pre sales service and after-sales support are provided by Beijing Leshi Technology.

AtmosFIR is a new generation product of Protea's FTIR gas analysis technology, which features convenient portability and mobility. The performance of Atmos FIR has significantly improved based on the previous FTIR technology, making it one of the cost-effective and flexible analysis products in the current market. It has the characteristics of high resolution, durability, high signal, low noise, and long component life.

The predecessor of Tsinghua University, Tsinghua Academy, was founded in 1911 and renamed Tsinghua School in 1912. In 1928, it was renamed National Tsinghua University. In 1937, it moved south to Changsha and established the National Changsha Temporary University with Peking University and Nankai University. In 1938, it moved to Kunming and was renamed National Southwest Associated University. In 1946, it was relocated back to Tsinghua Garden and established 5 colleges and 26 departments including literature, law, science, engineering, and agriculture.