Patents Assigned to Zhejiang Dunan Precision Industries Group Co., Ltd.
  • Cut-off valve
    Patent number: D542888
    Type: Grant
    Filed: January 13, 2006
    Date of Patent: May 15, 2007
    Assignees: Zhejiang Dunan Precision Industries Group Co., Ltd., Zhejiang Dunan Hetian Metal Co., Ltd.
    Inventors: Zichun Ye, Xuguang Huang, Guanjun Wang
  • Cut-off valve
    Patent number: D548818
    Type: Grant
    Filed: January 13, 2006
    Date of Patent: August 14, 2007
    Assignees: Zhejiang Dunan Precision Industries Group Co., Ltd, Zhejiang Dunan Hetian Metal Co., Ltd
    Inventors: Zhongbo Feng, Xuguang Huang, Peiyu Cai