Textile Research Associates (TRA) is a research and consulting firm specializing in textiles, advanced nonwovens, filtration technologies, and the global market. Our goal is to use our over thirty-year professional experience and strong partnership with research institutes and industrial laboratories to provide our customers with technical and market solutions to grow their business with guaranteed customer satisfaction and safely guarded confidentiality.

Dr. Dong Zhang, who founded TRA in 2005 has worked on textiles and nonwovens since 1983. He is the editor-in-chief of the Textile Research Journal and the Journal of Industrial Textiles. He has been standing at the frontier of advanced research in technical textiles and nonwovens since he received his PhD from the Department of Material Engineering and Science at the University of Tennessee in 1995.

Dr. Christine Sun, the principal of TRA is a globally recognized technical and market expert in the advanced nonwovens and filtration industry. With extensive experiences in both industrial and academic services, she has not only broad and in-depth knowledge but also hands-on experience in the areas of advanced nonwovens, nanofibers and filtration technologies. She has authored around 100 technical publications and holds several patents in these same areas. She received the Sr. Scientist Award in 2012 from AFS and the Best Paper Award from INDA in 2008. She is the chair of ASHRAE MTG-EEC, a board director of AFS, and a voting member to many air/liquid filtration standard committees. She was the Technology Director of Liquid Filtration at Donaldson from 2011 to 2013 and R&D Manager at Freudenberg Filtration Technologies from 2004 to 2011. Dr. Sun also serves as President of Waterloo Filtration Institute.