From March 2017 to July 2018, Chongqing Precision Biotechnology Co., Ltd. R&D Center (now Chongqing Precision Biotechnology Industry Research Institute)

Engaged in the construction of lentiviral packaging plasmids; Expression of recombinant proteins in eukaryotic cells, including screening and cultivation of engineered cell lines, establishment of rapid detection methods, optimization and improvement of purification methods, etc

From February 2019 to April 2019, Shanxi Kangjianen Biotechnology Co., Ltd

Participate in the initial construction and system certification of laboratories and clean workshops

From April 2019 to December 2019, the proteome of Bosheng Biotechnology in Xiamen City

Mainly responsible for the preparation, purification, and detection of antibodies (IgG, IgM, polyclonal antibodies); Optimization of protein purification process.

Legal studies from January 2020 to November 2020

From July 28, 2021 to present, Beijing Gaowo Law Firm

Responsible for patent writing, approval response, reexamination request and response, etc