On September 8, 2019, lawyer Song Haijia and Gu Liping went to Peking University to teach. This seminar is closely related to the "company equity structure design", and continues to adhere to the "case teaching" and "interactive teaching" ideas, through the multiple cases undertaken by the law firm, to help entrepreneurs understand the company's equity ownership security, transaction security, An economically viable approach to understanding strategies for preventing and controlling shareholder disputes. More than 80 entrepreneurs, corporate executives and senior lawyers went to Beijing to participate in the Song lawyers course.