Incorporated in Tianjin, China, in 2016, Yunzhanghu is among the largest online human resources companies in China, providing over 85 million workers in new forms of employment (freelancers) with flexible employment services, such as compliance risk control audits, a tax agency, general contracting and subcontracting, income verification and settlement, as well as commercial insurance protection. It ranks 411th in the Top 500 Enterprises in China.