Perforated Sheet, Metal Decorative Mesh, Filter Elements manufacturer / supplier in China, offering 0.8/1.0/1.2/2.5 mm Perforated Metal Filters Stainless Steel Sheet Perforated Mesh, Outdoor Sound Absorbing Wall Acoustic Blocking Noise Barrier Fence, Hot Selling Galvanized Reduce Noise Sound Barrier Wall Micro Hole Noise Barrier and so on.