1. Personal patent: 97249916.4 An electromechanical combination switch was successfully trial-produced and has been used for two years with good performance and complete technology.
2. Personal patent: 97216951.2 A window cabinet profile and a push-pull flat window seal assembled with the profile.
3. Personal patent: 97102784.6 A heat-shrinkable fastener and the power socket made with the fastener have passed practical tests and the technical results are satisfactory.
4. In 1986, the self-selected topic developed an energy-saving switch for a three-phase distribution transformer, which was awarded a Chinese patent in 1987. In 1990, the technology passed the appraisal of the Ministry of Electric Power and Machinery and received the highest praise for domestic originality.
Others participated in the development of "Agricultural Transformer" by Jilin Electric Power Research Institute and have passed the ministry's appraisal.