Inside the luxurious carriage, Gu Yingtian took out an account book and handed it to Zhou Tieyi.
Zhou Tieyi took it casually and began to flip through it carefully. It contained records of ink stone circulation. According to these books, less than half of the ink stones the Ning Mansion had privately purchased from Shantong Prefecture were used by the mansion itself; the majority were sent back to Shantong Prefecture.
Zhou Tieyi smiled instinctively.
Chapter 379