Established in April, 1991, Sunsum Law Firm was constituted by the law experts and professors, and was among the pioneer law firms of Yantai city. In September, 2002, Sunsum was reorganized into a partnership law firm. In November, 2018, Sunsum has completed its transformation of partnership form, which was approved to be the first specialized general partnership of Yantai city and the third of Shandong province. While adhering to the advantages of traditional litigation business, Sunsum tries its utmost to develop new legal service fields. Now Sunsum has gained an advantageous position in Yantai and to certain extent in Shandong province, including administration, housing expropriation, real estate, company, finance, intellectual property, maritime affairs, etc. Sunsum has established itself a good reputation in the industry.

Sunsum has set up Jinan Branch, Qingdao Branch, Yantai Development Zone Branch and eleven internal business departments, gathering and absorbing many excellent legal talents. Now Sunsum has attracted lots of excellent lawyers, paralegals and administrative assistants, with a total number of over 160, who respectively graduated from Peking University, Renmin University, Shandong University, Zhejiang University, Southwest University of Political Science and Law, East China University of Political Science and Law, China Maritime University, Dalian Marine University. Nearly half of the lawyers are respectively law doctors, masters, and several lawyers are law professors or vice professors, who respectively are the doctoral and master supervisor.

Sunsum has a strong part-time lawyer team,involved in the drafting of many laws, such as contract law, property law, tort law, etc. The team has a strong influence in the field of law and judicial practice, and has provided solid academic support for the development of Sunsum.

Sunsum is one of the law firms in Shandong province which have gained the verification of ISO9001 quality control system, and was successively award many municipal collective honors, such as “National Excellent Law Firm” “National Advanced Party Organization of Lawyer Industry” “Youth Civilization of Shandong Province” “Top Ten Law Firms of Shandong Province” “Demonstration Window of Shandong Provincial Government Style and Police Style Construction” “Advanced Party Organization of Lawyer Industry of Shandong Province”, etc.