PATENTS AND AWARDS     

    Title: The Surface Treatment Methods of
              Tantalum Spinneret Used in Wet Spinning

    Inventor: Liu, Yuzhong

    Patentee: Beijing Huayu Chuangxin Science &
                     Trade Co., Ltd

    Patent Number: ZL 02 1 06915 8

    Date of Application: March 7, 2002

    Date of Issued: October 11, 2006

Approved by State Intellectual Property Office of People's Republic of China.