Established in 1991, Professor Zhang Guorui, the General Manager of Beijing Esbos, teaches basic physics at Beijing Institute of Printing and is also engaged in research on UV ink curing and intelligent ink drying. He has published dozens of articles and two specialized books on UV. Since the development of the first UV curing equipment in 1993, nearly two thousand devices have been produced. The company has strong technical strength, with the general manager being a UV equipment expert and Beijing Institute of Printing being the company's think tank. After years of training, dozens of design and manufacturing experts have emerged within the company, nurturing a lean technical service team. At present, Esbo has become a high-end product manufacturer in the domestic UV industry and has been recognized as a supporting supplier by companies such as Weidijie in the United States, Tetra Pak in Denmark, and Kangmei Bao in Germany. It is also a supporting supplier for companies such as Fuji, Hairun in Shanghai, and Dexin in Xi'an in the domestic printing industry