Directly contact the property management company or related institutions in Block A of Jisheng Vanke and ask them which companies are currently in the building.
Searching online for relevant commercial real estate information may find the investment information of the property, including the list of companies that have settled in and intend to settle in.
Searching for the recruitment information of related companies on social media or professional business platforms may find the recruitment information related to Block A of Jisheng Vanke.