On June 14, 2016, the Beijing Municipal Intellectual Property Office held the “2016 Beijing Patent Demonstration Work Conference” in the Donghu Hall on the third floor of the Beijing Hubei Building. At the meeting, the Beijing Patent Demonstration Unit won the seventh batch of awards in 2016. Beijing Chengtian Hengye Coal Mine Equipment Co., Ltd., as the only company in Beijing's Mentougou District that has obtained the Beijing patent model unit, has received the award.