Add: No.123,North Rongtai Avenue, Wenjiang Cross-strait Technology Industry Development Park, Chengdu, China.
TEL:(028)82633801/ 82633802
FAX:(028)82633079

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Patens

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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.