If you change your company, the National Natural Science Foundation can take it away, but it must be approved by the original company and signed and sealed. You have to refer to the regulations of the unit before you can take the fund away.
Scientific and technical personnel engaged in basic research have the required conditions, and if they have no work unit or their unit is not a supporting unit, they may apply after consultation with and consent from the supporting unit. Relying on the unit should be regarded as the scientific and technological personnel of the unit to implement effective management.