The progress and efficiency of the Academic Palace Patent Office had far exceeded Li Ang's expectations.
According to Dr. Su Feng, a Doctor of Science, the largest business firms in Chang'an City—including Lanxiang Records, which dealt in spices; Fusheng Hall, which managed the herbal medicine trade; Jinxiu Hall, considered by Chai Cuiqiao and many of the ladies of Chang'an to be a holy land; and even the fur trading merchant associations—were all involved.
