What are the upstream suppliers in the science and technology consulting industry?

The upstream suppliers of science and technology consulting industry are Taiji, China Software, Huasheng Tiancheng and Yuanguang Software, and the hardware suppliers are Zhongke Shuguang, Inspur Information and New Beiyang. The upstream suppliers of science and technology consulting industry are Taiji (002368), China Software (600536), Huasheng Tiancheng (6004 10) and Yuanguang Software (002063), and the hardware suppliers are Zhongke Shuguang (6030 19), Inspur Information (00977).