Indoor pressure strip sound-absorbing wall Using C-shaped columns and U-shaped upper and lower grooves as the supporting framework, the general partition wall construction method is used, and then the sheet or folded edge microporous sound-absorbing board is matched with aluminum extrusion accessories to fix and support the frame; assembly and disassembly are simple, easy to repair wires and pipes and clean, visually beautiful and generous, and the durability is longer than gypsum board and mineral fiber board, which can reach more than 10 years, and there is no risk of moisture and sinking.   Indoor card-hanging sound-absorbing wall Using C-shaped columns and U-shaped upper and lower grooves as the supporting framework, after fixing the inverted triangle main frame to the C-shaped column, the hidden frame microporous sound-absorbing board can be inserted into the gap of the inverted triangle main frame; easy to disassemble, just use the hook to insert between two pieces of hidden frame microporous sound-absorbing boards, you can disassemble any piece of ceiling, easy to adjust the sound field and repair wires and pipes; visually beautiful and generous, the durability is longer than gypsum board and mineral fiber board, which can reach more than 10 years, and there is no risk of moisture and sinking.