1.General (Administrative) Office of Municipal CPC Committee, Shenzhen (City)
2.General (Administrative) Office of Shenzhen Municipal CPC Committee
未查及Shenzhen市委官网;邻近的“Shenzhen市ren min zheng fu办公厅”,官方翻译为General Office of Shenzhen Municipal People's Government;可见上述第2种翻译较接近