The Central Bureau of Investigation and Statistics (CBIS; Chinese: 中國國民黨中央執行委員會調查統計局; pinyin: Zhōngguó Guómíndǎng Zhōngyāng Zhíxíng Wěiyuánhuì Diàochá Tǒngjì Jú, commonly known as Zhongtong (Chinese: 中統), was an intelligence unit under the Organisation Department of the Central Executive Committee of the Kuomintang.
The CBIS focused on civilian intelligence, while the MBIS targeted military activities.
The previous body of CBIS had its origin in the CC Clique, which was founded in 1927 as a secret spying agency.
In 1931, Chen Lifu was appointed the head of the Kuomintang's Organization Department and he set up the intelligence unit.
[1] In 1935, this intelligence body was re-organized as the Central Bureau of Investigation and Statistics.