Hangzhou Aihua Instruments Co., Ltd is a high-tech enterprise in the high-new technology industrial development zone of Hangzhou and specialize in acoustic and vibration measuring instruments production and development. The company is the main researcher and manufacturer of sound measuring instruments in China.



Based on many years' reseach and innovation, we produce products complying with relevant national standards and international standards, and tested by the provincial authoritative organization. Sound level meters complied with the new standards...