MARA, GACC and NFGA are responsible for the phytosanitary issues separately, which are Ministry of Agriculture and Rural Affairs, (MARA), General Administration of Customs of China (GACC). National Forestry and Grassland Administration (NFGA).
Contact for Info
China’s entry-exit inspection and quarantine duties and workforce were integrated into GACC from General Administration of Quality Supervision, Inspection and Quarantine, PRC (AQSIQ) in March 2018.
http://www.customs.gov.cn/