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About:
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KNSN is the standing director of China's Construction And Metal Structure Association, Member of China's Steel Structure Association And Shanghai Metal Structure Industry Association, Deputy Chairman of Zhejiang Steel Structure Industry Association, High-tech enterprises of Hang zhou, China's Top 10 Steel Structure Companies, Collective Model of Hangzhou, Model Enterprise of Information technology of Hangzhou, China's Famous Brand, Famous Brand of Hang zhou.
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