Answer 2: The whole world.
China is generally concentrated in Shanghai, Beijing and Guangzhou. In addition, most companies will set up branches/representative offices/operation centers in Chengdu, Chongqing, Xi and Wuhan.
Professional HRM consulting companies include foreign-funded institutions (Hewitt, Watson Wyatt, Mercer, Heyi, etc. ); Some domestic institutions (mostly a hodgepodge of companies that have everything and are only good at bragging). Policies and strategies for personal prudent recommendation of domestic institutions (multi-industry and multi-field), Peking University Zongheng (multi-industry and multi-field), Drucker (multi-industry and professional HRM consulting), Shanghai Tian Qiang (design institute and research institute), Fanchengde (construction industry), Shenzhen Sepp (real estate industry) and steel structure industry (Shanghai Qidian).
Other companies forgive me for my limited scope and experience of knowledge and contact, and I didn't investigate and understand it, so I won't evaluate it.