When was Duan Jiagang born? Independent Director of He Run Materials

Duan Jiagang: Male, Han nationality, born in 1977, bachelor of economics and master of management from Nankai University, master of business administration from cheung kong graduate school of business, intermediate accountant, and non-practicing member of China Institute of Certified Public Accountants. He is currently an independent director of Langfang Development Co., Ltd.; Deputy General Manager and Chief Financial Officer of Longhua Science and Technology Group (Luoyang) Co., Ltd.; Independent director of Ningbo He Run High-tech Materials Technology Co., Ltd., and former manager of the finance department of Beijing Tian Hong Real Estate Development Co., Ltd.; Director and Chief Financial Officer of Shanghai Tian Hong Real Estate Investment Co., Ltd.; Vice President of Li Qin Investment Co., Ltd.; Deputy General Manager and Chief Financial Officer of Beijing Jiayi Real Estate Co., Ltd.