Hangzhou Aihua Instruments Co., Ltd., 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.   Our products complied with relevant national standards and international standards, and tested by the provincial authoritative organization. 

Our company  produces more 60 varieties of measuring instrument  on noise, acoustic, vibration and environmental noise automatic monitoring system, covering ambient noise measuring, industrial noise measuring, noise measures at the airport, architectural acoustics measuring, electric acoustic measuring, machine vibration measure, environmental vibration measure, frequency spectra analysis on noise and vibration etc