Ms. Sun engaged in patent service in 1996. She specializes in patent cases in mechanical field. Since joining Bairui in 2008, she has served many companies of different sizes in patent cases including drafting, response to office action, reexamination, as well as patent search and counseling. In the process of solving difficult problems for customers and providing scientific and effective application programs, Ms. Sun wins the trust of customers with her professional, responsible and diligent working style.