Who made the mattress in Mu Si?

Dongguan dazhi furniture according to Tencent's inquiry. Si brand was established in Dongguan in 2004. Originally contracted by Dongguan Dazhi Furniture, one of the founders, Lin Jiyong was the executive director. The factory was officially established in 2007. It is a real domestic brand, a standard domestic brand, and belongs to the mid-range grade.