Wind Tunnel Honeycomb, Honeycomb Core, Metal Honeycomb manufacturer / supplier in China, offering Customized 3.2mm Cell Size Stainless Steel /Brass Honeycomb Vents for EMI Shielding, Custom Brazed Honeycomb Seal Rings for Gas & Steam Turbines, Hengshi Honeycomb 316L stainless Steel EMI Shielding Honeycomb Vents and so on.