Sigmar Law Firm gives full play to the professional advantages and advanced role of lawyers in promoting the integrated construction of the country, the government and the society under the rule of law.

Director Zhang Yangqiu insists on the study of the Party's theoretical knowledge, integrates thought and action into the spirit of the Party's 20 congresses, practices the original mission of the practical action to serve the people, and promotes the high-quality development of the CPPCC cause with excellent performance. In 2022, after being elected as a member of the 11th Shaanxi Provincial Political Consultative Conference and the 12th Shaanxi Provincial Political Consultative Conference, Director Zhang Yangqiu was re-elected as a member of the 13th CPPCC Committee of Shaanxi Province.

During the period of performing his duties, he kept close contact with the masses, understood and reflected the aspirations of the masses, actively participated in various investigations organized by the provincial CPPCC, participated in various symposiums and CPPCC training meetings; Based on their own duties, actively participate in the business environment, county economic development, new energy industry development and other research activities organized by the special committee.