The Zheng code, also known as the universal code of radicals, is the result of half a century of research on the glyph structure of Chinese characters by Professor Zheng Yili, a famous Chinese philologist and the editor-in-chief of the famous "Yinghua Dictionary" at home and abroad. Later, he and his daughter Major scientific and technological achievements co-created by senior engineer Zheng Long.
The difference from Wubi is that the root characters are different, which leads to different rules for splitting characters.