At Changsha Industrial and Commercial Bureau.

Official website document of the Administration for Industry and Commerce: The first batch of 13 newly established trademark registration application acceptance windows of the State Administration for Industry and Commerce are fully operational

For details, please see /sbyw/201611/t20161101_171981.html

Excerpt: "On November 1 (2016), the first batch of 13 newly established trademark registration application acceptance windows of the State Administration for Industry and Commerce were fully launched. These include the Market Supervision and Administration Bureau of Harbin City of Heilongjiang Province, Nanjing City of Jiangsu Province, and Suzhou Municipal Administration for Industry and Commerce, Ningbo Municipal Market Supervision and Administration Bureau of Zhejiang Province, Jinan, Qingdao, and Jining Municipal Administrations of Industry and Commerce of Shandong Province, Luoyang Municipal Administration of Industry and Commerce of Henan Province, Hubei Provincial Administration of Industry and Commerce, Changsha and Huaihua Municipal Administration of Industry and Commerce of Hunan Province, Guangxi Zhuang Thirteen industrial and commercial and market supervision departments, including the Autonomous Region Industrial and Commercial Bureau and Chengdu Industrial and Commercial Bureau of Sichuan Province, have set up trademark registration application acceptance windows to start processing relevant trademark registration applications from now on. ”