{
  "use_case_id": "concrete-surface-finishing",
  "use_case": "Concrete troweling & finishing",
  "quantity": null,
  "unit": "month",
  "country": "CN",
  "currency": "CNY",
  "estimate": {
    "low": 17346,
    "high": 18114,
    "currency": "CNY",
    "based_on": 2
  },
  "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 month.",
    "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": "Floor troweling robot (地面抹平机器人, output ≥100 m²/h), CNY 18,114 per month: Guangzhou Construction Engineering Cost Management Station, monthly machinery rental reference price for June 2026 (穗建造价〔2026〕65号, issued 2026-07-14), pre-tax, labour not included",
      "unit_price": {
        "low": 18114,
        "high": 18114,
        "currency": "CNY",
        "unit": "per month"
      },
      "region": "CN-GD",
      "region_match": "country",
      "source_url": "https://zfcj.gz.gov.cn/attachment/8/8049/8049199/10904081.pdf",
      "as_of": "2026-07-14",
      "older_price": false,
      "unit_conversion": null,
      "cost": {
        "low": 18114,
        "high": 18114,
        "currency": "CNY"
      },
      "used_in_range": true
    },
    {
      "kind": "benchmark",
      "provider_id": null,
      "description": "Floor screeding/levelling robot (地面整平机器人, output ≥160 m²/h), CNY 17,346 per month: Guangzhou Construction Engineering Cost Management Station, monthly machinery rental reference price for June 2026 (穗建造价〔2026〕65号, issued 2026-07-14), pre-tax, labour not included",
      "unit_price": {
        "low": 17346,
        "high": 17346,
        "currency": "CNY",
        "unit": "per month"
      },
      "region": "CN-GD",
      "region_match": "country",
      "source_url": "https://zfcj.gz.gov.cn/attachment/8/8049/8049199/10904081.pdf",
      "as_of": "2026-07-14",
      "older_price": false,
      "unit_conversion": null,
      "cost": {
        "low": 17346,
        "high": 17346,
        "currency": "CNY"
      },
      "used_in_range": true
    }
  ],
  "available_units": [
    "month",
    "unit"
  ],
  "fx_date": "2026-10-27"
}