{
  "use_case_id": "weld-inspection-pipeline-construction",
  "use_case": "Pipeline construction welding & inspection",
  "quantity": null,
  "unit": "contract",
  "country": "CH",
  "currency": "CNY",
  "estimate": {
    "low": 407550,
    "high": 3040000,
    "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": [
    "No benchmark specific to CH; the range uses benchmarks from other regions. Local prices can differ a lot.",
    "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": "CNPC Pipeline Bureau Northwest Pipeline Co.: fully automatic pipeline welding machines (second tender, GDJGC2606-WZ019(2)), awarded to CNPC Pipeline Research Institute at CNY 3,040,000 incl. VAT (result notice 2026-09-08). Number of welders not stated on the page",
      "unit_price": {
        "low": 3040000,
        "high": 3040000,
        "currency": "CNY",
        "unit": "per contract"
      },
      "region": "CN",
      "region_match": "other_or_global",
      "source_url": "https://bj.zhiliaobiaoxun.com/article/112193699",
      "as_of": "2026-09-08",
      "older_price": false,
      "unit_conversion": null,
      "cost": {
        "low": 3040000,
        "high": 3040000,
        "currency": "CNY"
      },
      "used_in_range": true
    },
    {
      "kind": "benchmark",
      "provider_id": null,
      "description": "Changchun–Shijiazhuang gas pipeline (Changling–Zhangjiakou section), line construction lot 1: technical service contract for Kumagai automatic welding equipment, CNY 407,550 incl. VAT (direct award, result notice 2026-08-23, via qianlima). Service for the welding system, not an equipment purchase",
      "unit_price": {
        "low": 407550,
        "high": 407550,
        "currency": "CNY",
        "unit": "per contract"
      },
      "region": "CN-JL",
      "region_match": "other_or_global",
      "source_url": "https://www.qianlima.com/bid-624544435.html",
      "as_of": "2026-08-23",
      "older_price": false,
      "unit_conversion": null,
      "cost": {
        "low": 407550,
        "high": 407550,
        "currency": "CNY"
      },
      "used_in_range": true
    }
  ],
  "available_units": [
    "contract"
  ],
  "fx_date": "2026-10-27"
}