51job, Inc. is a holding company. The Company is a provider of integrated human resource services in China. The Company focuses on online recruitment advertising. The Company operates over three Websites, including www.51job.com, www.yingjiesheng.com and www.51jingying.com, which are utilized by a base of corporate employers, reach an audience of job seekers and aggregate job information from over 100 cities across China. The Company provides a range of human resource services in the categories, such as recruitment advertising services, including online recruitment services provided by its Websites, and other human resource related services, including business process outsourcing, training, campus recruitment, professional assessment tools, salary and other human resource related surveys, human resource conferences and executive search services.