Home About Us News Products Sales Network Download Chinese | English | E-mail Sound Level Meters Noise Dosimeter Real Time Signal Analyzer Sound Calibrator Microphone Preamplifier Our company is a high-tech enterprise in the high-new technology industrial development zone of Hangzhou and specialize in acoustics and vibration measure instruments production and development . The company is the mainresearcher and ... AWA6228+ Sound Level Meter INTERNOISE 2014 in Melbourne 21st International Congress on Sound and Vibration INTERNOISE 2013 in Austria INTERNOISE 2012 In New York Add : No. 35 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