Author: Dr B.R. Somashekar, Scientist (G), Advisor (M) and Head, Structures Division, NAL, Bangalore. Photocopy of report. Includes notes on visits to Beijing Aeronautical Manufacturing Research Institute (BAMTRI), Beijing University of Aeronautics and Astronautics (BUAA), Beijing Institute for Aeronautical Materials (BIAM), Aircraft Strength Research Institute (ASRI), Aeronautics Computing Technique Research Institute (ACTRI), Northwestern Polytechnical University (NPU), Research Institute for Special Structures of Aeronautical Composites (RISAC).