Yu Zengbiao's Social Part-time Job

2008-Vice Chairman of Management Accounting and Application Committee of Chinese Accounting Society.

200 1- Now director of China Cost Research Association.

Since 2007, he has been a member of the editorial board and commentator of IMA Education Case Magazine.

200 1- academic consultant of finance and accounting magazine.

2004-present Independent Director of Jinan Truck Co., Ltd., China National Heavy Duty Truck Group.

Since 2007, he has been an independent director of China Valve Technology Co., Ltd. (Nasdaq, USA).

2009-present External Supervisor of Karamay Commercial Bank of China Petroleum.

2008-present Independent Director of China Bingzhuang Zhongyuan Special Steel Co., Ltd..

2008-present Independent Director of Wan Tai Pharmaceutical Co., Ltd.

1996-2004 Director of Chinese Accounting Society

2005-2007 Independent Director of China Yongle Electric Sales Co., Ltd. (listed in Hong Kong)

1996-2002 Vice President of Hebei Accounting Society