Some investors asked Dongcai Technology and wanted to know the college information of Chairman Tang Anbin and General Manager Li Gang to help our investors better understand the management background; at the same time, they would like to inquire about whether the company has business or scientific research cooperation with corresponding universities? On November 10, the company replied that Mr. Tang Anbin graduated from the School of Chemical Engineering and Materials of Beijing Institute of Technology with a bachelor's degree in fine chemistry in July 1989, obtained a doctorate degree in polymer materials from Sichuan University in July 1999, and left the Sichuan University Postdoctoral Research Station in Light Industry Technology and Engineering in June 2001; Mr. Li Gang graduated from Northwest Institute of Textile Technology in 1995, and obtained a master's degree in business administration from Southwest Jiaotong University in 2012.

Some investors asked Dongcai Technology and wanted to know the college information of Chairman Tang Anbin and General Manager Li Gang to help our investors better understand the management background; at the same time, they would like to inquire about whether the company has business or scientific research cooperation with corresponding universities? On November 10, the company replied that Mr. Tang Anbin graduated from the School of Chemical Engineering and Materials of Beijing Institute of Technology with a bachelor's degree in fine chemistry in July 1989, obtained a doctorate degree in polymer materials from Sichuan University in July 1999, and left the Sichuan University Postdoctoral Research Station in Light Industry Technology and Engineering in June 2001; Mr. Li Gang graduated from Northwest Institute of Textile Technology in 1995, and obtained a master's degree in business administration from Southwest Jiaotong University in 2012.