Hangzhou Henning Acoustic Technology Engineering Co., Ltd. is a company specializing in noise control, providing Hangzhou soundproof windows, noise barriers, noise barriers, such as noise pollution Gechuang products, while providing elevator noise control, noise control pump related business company website http :/ / www.nosound.cn/ welcome friends come to visit, guidance and business negotiation. Companies rely on Zhejiang University environmental science technical support, uphold the people-oriented, technological innovation aim to provide our customers with the most professional, most scientific and most cost-effective noise control solutions and high-quality noise control equipment to help you solve the noise pollution trouble.