The only patent agency in Dezhou City approved by the State Intellectual Property Office. Organization code: 37210 Organization name: Dezhou Tianke Patent and Trademark Office Postal code and address: 253014 Sanba Road, Decheng District, Dezhou City, Shandong Province No. 1126 (formerly No. 18) Person in charge: Fang Chengxing Contact number: (0534) 2683569 Agent: Fang Chengxing*, Wu Yueling*, Lin Chunyuan*, Gai Zhijun*, Yuan Xinmin*