3003 Industrial-Grade Aluminum Honeycomb 1,light-weight,hig strength 2,corrosion resistance ... of Bureau Veritas Certification.In the field of aerospace, aramid high strength paper honeycomb,carbon fiber paper honeycomb and honeycomb products ... and honeycomb composites with phenolic prepreg for enterprises ,which produce high-speed,light rail , yachts and vessels. industrial-grade aluminum honeycomb