3. "Discussion on Teaching Methods of Mechanical Drawing" won the first prize of excellent achievements in teaching research of Hebi Education Bureau in August 2002, with certificate number: Hejiao [2002] 10, which was independently completed.
3. The magnesium alloy automatic polishing machine passed the appraisal of Hebi Science and Technology Bureau in July 2004, reaching the domestic advanced level. He Kejian Zi [2004] No.08, the second (***8 participants). In March 2005, the project won the second prize of Hebi Natural Science and Technology Progress Award.
3. The research on stamping technology and compound die of Zhongyuan 170/200 tractor frame passed the appraisal of Provincial Science and Technology Department in August 2004, reaching the domestic leading level. Yu Ke Wei Jianzi [2004] No.210, the fourth (*** 15 participant).
⒌ BTPZ-Ⅱ elliptical balance vibrating screen with variable stiffness has been included in the development project of Hebi Natural Science Plan [2004] No.21. At present, the equipment development and trial production have been successfully completed, and the scientific and technological novelty retrieval was carried out at the end of April 2005. The project has a high degree of innovation, reaching the domestic leading level. At present, the data are being sorted out, and it is planned to complete the appraisal of provincial achievements in July 2005. Moderator, second place (*** 16 participant).