1996.11~1996.12 American exeter electronics (Shenzhen) UPS study abroad.
From August 2005 to September 2005, ABB (China) Co., Ltd. (Beijing) studied frequency converters.
1988.7 ~ 2006.9 served as technical section chief, deputy director and director in the electrical workshop of ethylene company.
2006.9 ~ Deputy Director of Ethylene Raw Material Engineering Command of Huajin Group