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CHANG AI is a world-leading high-tech enterprise in gas analysis and detection, committed to providing customers with world-class gas analysis and detection products and one-stop solutions.
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Fax: +86-21-33275656
Tel: +86-21-51692285 / +86-21 400 700 8817
E-mail: info@changai.com / ana@changai.com
Add: No.97, Qibao WanKe International Center, Lane 1333, Xinlong Road, Minhang District, Shanghai, P.R. China. 201101
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