Hangzhou Grandix Electronics Co., Ltd

Our History
Granvoz focuses on manufacturing, developing, and exporting speakers. In 20 years, we have been aiming at making the best speaker units.
Our Factory
On manufacturing, Granvoz owns a 3.5-acre factory locates in Hangzhou, China. Thus, we are confident taking care of every valuable client and order.
Our Product
We offer some of the most cost-effective speaker products such as the midranges, subwoofers, bullet tweeters, and coaxial speakers.
Product Application
Car audio, Live performance, Big events like expo, exhibition.
Our Certificate
Produc... [Detail]