Guizhou Tianyi Electrical Industry Co.LTD belongs to China Aviation Industry Corporation, Its main business scope covers the development and production of electric relay, contactor etc , On November 8 in 2003, Shanghai Liangxin Electric Appliance Co,Ltd, and Shenzhen Tianqing Electrical Industry Co,Ltd requested the Patent Re-examination Board to declare patent entitled “continent close contactor ” of Guizhou Tianyi Electrical Industry Co.LTD invalid. On January 12 in 2005, our Patent Attorneys attended the invalidation case. Currently the case is still pending.

  
ZBSD   01-12-2005