• Participated in the project research and chief editor's work of the Ministry of Construction: Research on <the legal basis of the engineering guarantee system>, <the evaluation of the credit guarantee ability of the project guarantee agency and the research of market behavior supervision measures>, etc.
• Participated in the drafting of the normative documents of the Ministry of Construction: the notice on printing and distributing the model text of project guarantee contract (Trial Implementation), and the opinions on further implementing the project guarantee system in construction projects ([2006]326)
• Acted as the agent of Beijing YGH Electronic Technology Co., Ltd. against Beijing ZHHW Electric Technology Co., Ltd. violated commercial secret disputes.
• He was agent of BTJX Real Estate Development Co., Ltd. dealing the guarantee claim dispute with CABZ Company limited by guarantee.