Dun'an Patent "Micro Valve Devices and Valve Body Components" was awarded the Excellent Chinese Patent Award
Zhejiang Dun'an Artificial Environment Co., Ltd. was awarded the 20th China Patent Excellence Award for its invention patent "Micro Valve Devices and Valve Body Components". The award is awarded jointly by the State Intellectual Property Office and the United Nations World Intellectual Property Organization (WIPO), which is the most authoritative award in the field of patent in China. Up to now, there are two patents awarded in Zhuji.
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