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    Founded in 1992, has been the main and innovative manufacturer of international standards acoustic and vibration measurement instruments in China. We provide solutions of outdoor noise monitor and focus on designing and developing advanced and user-friendly instruments.     
     
    Add : No. 37 Xianxing Road Xianlin Town,Yuhang District, Hangzhou 311122 P.R.China
    Fax : +86 571 85022955 Tel. : :+86 571 85021931 Copyright © www.hzaihua.com All right reseved