The first ones were Li Jizhong in 1990, Bai Dahua in 1991, Hou Lin as director of the Trademark Office of the State Administration for Industry and Commerce in August 1998, An Qinghu as director of the Trademark Office of the State Administration for Industry and Commerce in 2001, and Li Jianchang as the director of the State Administration for Industry and Commerce in 2008. Xu Ruibiao, Director of the Trademark Office of the State Administration for Industry and Commerce, has been the Director of the Trademark Office of the State Administration for Industry and Commerce since 2011, but now it is Deputy Director Liu Junchen who issues trademark certificates.