Huang Deyun: Male, born in February 1972, graduated from the School of Mechanical Engineering, Hohai University in July 1991, majoring in electronic instruments and measurement technology, with a college degree and the title of engineer. He once worked as an instrument shifter at Panjiakou Power Plant in Qianxi County, Hebei Province, and as a technician at Changzhou Kexin Yongan Electronic Lock Co., Ltd., and currently serves as the chief engineer of Yonganxing Technology Co., Ltd. He won the third prize of Changzhou Science and Technology Progress Award in 1996, the fourth prize of Changzhou Science and Technology Progress Award in 1998, and the third prize of China Township Enterprise Science and Technology Award in 1997. It has obtained 11 national invention patents, 85 utility model patents and 22 design patents.