{
  "use_case_id": "yard-truck-autonomy",
  "use_case": "Autonomous yard trucks",
  "quantity": null,
  "unit": "contract",
  "country": "CN",
  "currency": "CNY",
  "estimate": {
    "low": 4828800,
    "high": 4828800,
    "currency": "CNY",
    "based_on": 1
  },
  "method": "published unit price × quantity (exact unit conversions only); filtered to the best region match; older prices only if nothing newer",
  "notes": [
    "Range uses only benchmarks whose region matches CN.",
    "No quantity given: costs are per 1 contract.",
    "Arithmetic on published prices, not a quote: scope, access, permits, minimums and travel change real prices. Ask suppliers via submit_rfq."
  ],
  "basis": [
    {
      "kind": "benchmark",
      "provider_id": null,
      "description": "Shandong Port bulk terminal: intelligent driverless tractors for copper-concentrate containerisation, first-ranked bid CNY 4,828,800 in the candidate notice (2026-04-18, via qianlima). Number of tractors not shown on the free page",
      "unit_price": {
        "low": 4828800,
        "high": 4828800,
        "currency": "CNY",
        "unit": "per contract"
      },
      "region": "CN-SD",
      "region_match": "country",
      "source_url": "https://sd.qianlima.com/zbcontent-590636931.html",
      "as_of": "2026-04-18",
      "older_price": false,
      "unit_conversion": null,
      "cost": {
        "low": 4828800,
        "high": 4828800,
        "currency": "CNY"
      },
      "used_in_range": true
    }
  ],
  "available_units": [
    "contract"
  ],
  "fx_date": "2026-10-27"
}