Soundde (Shanghai) Architecture Technology Co., Ltd. is an innovative knowledge-based company with independent intellectual property rights and patents.

Soundde is registered in the National Science and Technology Park of Tongji University in Shanghai, China, which fully benefit from the support of Tongji University in new material science and the cultivation of incubator of national science and technology park.

Euphony® is leading brand in domestic seamless acoustic industry, filled the technical gap between China and developed countries, although core raw material of Euphony® products is imported from Europe or North America.

As one of the few domestic enterprises specializing in the production of high-end seamless sound absorption system products, the craftsman spirit guides all the staff to bravely advance on the arduous road of entrepreneurship.

Introduce advanced raw materials and production technology from Europe and The United States, to provide Chinese customers with European and American quality products at Chinese prices. To benefit the society and strive to become the leader of domestic brands and technologies in this industry segment, it is the Chinese dream of Sander to create a large brand of seamless sound absorption system products for a small number of products!