In 2000, worked in the new product Research and Development Department of Xi’an Tiancheng Medicine Bio-engineering Co.,Ltd.
In 2001, worked in the Quality Control Department of Xi’an Sanjiang Bio-Engineering Co., Ltd.
In 2002, worked as Marketing Manager of Xi’an Xiaocao Plant Development Co., Ltd.
In 2003, published Quality Standard Reference Manual of Commonly Used Natural Extract
In 2008, Shaanxi Jintai Biological Engineering Co., Ltd. was established