Zhong Yin Law Firm, established in January 1993, is among the earliest partnership law firms approved in China. It is headquartered in Beijing and currently has branch offices in 42 Mainland cities including Shanghai, Tianjin, Shenzhen, Hangzhou, Xi'an and other cites (including the branches established and such in preparation), and established its association law firm with Hong Kong and Macao law firms, ZLF Law Office, which is China’s first, as well as its Qianhai branch. It has over 4,000 lawyers and staff members, including more than 3,000 lawyers.

Zhong Yin lawyers actively explore overseas markets to build a global legal service system and strive to take the leading position in all practice areas. Zhong Yin lawyers have established strategic partnerships with legal service agencies in more than a dozen countries including the United States, Germany, France, and Canada. A large number of Zhong Yin international lawyers are capable of advising clients in English, French, Japanese, Korean, German and other languages, which ensures that Zhong Yin’s clients can quickly obtain comprehensive and efficient legal services globally. Excellent services make Zhong Yin lawyers the most recognized and trusted partners of clients.

Zhong Yin lawyers always uphold the service philosophy of "client first, specialized & cooperative, diligent and responsible, quality and high efficiency". With the client needs as its core, the law firm may synthesize the resources of all lawyers and departments of all branches leveraging the strength of Zhong Yin's global legal service system to provide superior legal services while inform the clients with commercial information to facilitate the business cooperation among themselves. Numerous outstanding Zhong Yin lawyers actively participate in construction of a rule of law based society and closely cooperate with certain  industrial leaders, and market pioneers by taking important positions concurrently in international organizations, national or local bars, industrial associations, chamber of commerce, and arbitration institutions for driving high quality development by joint forces.

Zhong Yin lawyers adhere to the path of professional development. At present, they have the capacity to advise on Securities and Capital Market, Banking and Finance, Investment and M&A, Corporate and Commercial, Bankruptcy and Restructuring, Litigation and Arbitration, Criminal Defense, International Trade and Maritime, Intellectual Property, Real estate, Construction and Infrastructure, Competition and Regulatory, and Compliance and Risk Management in comprehensive and professional manners. So far, Zhong Yin Law Firm has provided various high-quality legal services to tens of thousands of domestic and foreign enterprises and government agencies, and has been ranked top by international authoritative rating agencies such as Chambers, The Legal 500, ALB, LEGALBAND, etc and received favorable comments and praise.