The Micro-particle Sound-absorbing Panel is a porous sound-absorbing board made by mixing specially graded micro-particles with modified cementitious materials.

This product is an original technology developed by Zisen, boasting complete independent intellectual property rights. It has currently obtained three U.S. patents, one German patent, and several domestic patents. It has also received CE certification. Additionally, the group standard for the "Micro-particle Sound-absorbing Panel" has been established. The product has been awarded the title of Innovative Product in Sichuan Province, received the Third Prize of the Sichuan Patent Award, and has been recognized as one of the first batch of new materials in Sichuan Province. The scientific and technological achievement evaluation concluded that its overall technology has reached an internationally advanced level.