Our company has obtained nine national patents, including A-level non combustible sound-absorbing, prefabricated sound-absorbing wall panel system board, curtain type sound-absorbing wall, non combustible sound-absorbing panel keel and artistic lighting type assembled sound-absorbing wall, frameless lightweight space sound-absorbing body, built-in cavity broadband flame-retardant sound-absorbing curtain, shading broadband sound-absorbing curtain, and a non combustible detachable card control keel combination device.

Patent number: ZL201120549637.8、ZL201120549641.4、ZL201320021428.5、ZL201320240161.9、ZL201320778715.0、ZL201420544718.2、ZL201420544734.1、ZL202020422404.0、ZL202123055228.5。