Base the parts budget on the wear and service parts list, the vehicle's condition on the number of models and expected consumption, and the export plan on the replenishment cycle and local stock capacity. First list service parts and frequently replaced wear parts by model, then budget against the replenishment cycle; a fixed percentage of the vehicle value can't replace the list.
No vehicle-value percentage works for every parts budget; the parts list and replenishment cycle are more reliable than any percentage. For more on identity checks, read on at What spare parts package should a dealer order with the first batch of Chinese cars?. A parts budget estimate should state the quote date and exclusions; actual costs follow the contract, invoices and local confirmations. If you need the models and export documents behind a car first-order parts budget re-checked, submit the checklist to Starvia Automotive for a further review by the China team.

