Complex sentence: The postal service in China can be dated back to the Shang Dynasty.Customs Post Office of the Qing Empire was established in 1878 by Li Hongzhang at the suggestion of the foreign powers, with branch offices in five major trading cities.
Split into simpler sentences: The postal service in China can be dated back to the Shang Dynasty. The Customs Post Office of the Qing Empire was established in 1878 by Li Hongzhang at the suggestion of the foreign powers, with branch offices in five major trading cities.