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Du JiachunInventor from Guangzhou, China that is curious about things working around the world.
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Contact InfoDu Jiachun 523, Yueya Building, Zijingang Campus, Zhejiang University, Xihu District 310007 P: +86 18868110080
Du Jiachun is IAD member since 2015, with 10112 IAD rating.
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