On December 13, 2017, the 19th China Patent Awards Presentation Ceremony co-sponsored by the State Intellectual Property Office of China and the World Intellectual Property Organization was held in Beijing. Shen Changyu, Director of the State Intellectual Property Office, and Wang Binying, Deputy Director General of the World Intellectual Property Organization attended the event. The conference also spoke.
Changyuan Group won the 19th China Patent Excellence Award (Guo Zhi Fa Guan Zi [2017] No. 77)
Invention patent name: a heat shrinkable tube positive pressure expansion machine
Patent No.: ZL 201110142483.5
Inventors: Zhao Chenggang, Yang Chuanqi, Li Ketao, Liu Xiaobo

    honor certificate
    The heat-shrinkable tube positive pressure expansion machine has strong expansion ability, high production efficiency, easy operation and fills the domestic blank. The manufactured products have high gel fraction, fast shrinkage, low partial wall rate, high concentricity, reliable insulation protection and leading technology in China.
    Following the 17th China Patent Excellence Award, Changyuan Group won the award again, highlighting the company's deep strength in scientific research, technological innovation and high-tech industrialization, and further enhancing the core competitiveness of Changyuan Group. And brand influence.