grade 3, Government China, 1984, National Invention medal, grade 2, 1989, Ho Leung Ho Lee Foundation medal, Sci. and Tech. Progress, Hong Kong, 1996, Gold medal, Inventions-Creations, World Intellectual Property Organization and the Chinese Patent Office
grade 3, Government China, 1984, National Invention medal, grade 2, 1989, Ho Leung Ho Lee Foundation medal, Sci. and Tech. Progress, Hong Kong, 1996, Gold medal, Inventions-Creations, World Intellectual Property Organization and the Chinese Patent Office