On June 8, 2020, Cangzhou Construction Investment Group Co., Ltd. (hereinafter referred to as "Cangzhou Construction Investment") announced to establish a list of law firm service providers. Dozens of well-known law firms and more than 80 lawyers in the industry signed up to participate. The expert group conducted a comprehensive review on the comprehensive strength of law firms as well as lawyers' professional competence. Sunhold Law Firm successfully entered the list of law firm service providers of Cangzhou Construction Investment.