Wind Tunnel Honeycomb, Honeycomb Core, Metal Honeycomb manufacturer / supplier in China, offering 1/8 Inch Steel Spot Welded Honeycomb Core Panel for EMI Shielded, Fan Cooling 3.2mm 15mm Round Opening Square Steel Honeycomb Core Plate, Stainless Steel Honeycomb Core for Ventilation Waveguide Window and so on.