Add: No.123,North Rongtai Avenue, Wenjiang Cross-strait Technology Industry Development Park, Chengdu, China.
TEL:(028)82633801/ 82633802


Powered by  蜀ICP备05009926号Copyright © 2014 All rights reserved.


Page view:

In 2013, DDC declared 10 patents, including 3 invention patents, 7 application patents. 7 patents were authorized, with 4 invention patents, 3 application patents. Total of 21 patents were authorized during last four years, including 6 invention patents, which has effectively protected DDC’ s intellectual property rights.