{
  "laser_cutting": {
    "ask_first": [
      "cutting head pressure",
      "required air delivery",
      "number of laser machines",
      "dryer and filter requirement",
      "voltage and frequency"
    ],
    "likely_family": [
      "screw air compressors"
    ],
    "candidate_products": [
      "laser-cutting-screw-air-compressor",
      "two-stage-pm-vfd-screw-air-compressor",
      "pm-vfd-screw-air-compressor"
    ],
    "boundary": "Do not promise final model, air quality grade, or price before confirming pressure loss, dryer/filter sizing, receiver, pipework, and duty cycle."
  },
  "factory_continuous_air": {
    "ask_first": [
      "working pressure at point of use",
      "total air delivery",
      "daily operating hours",
      "demand fluctuation",
      "voltage and installation environment"
    ],
    "likely_family": [
      "screw air compressors"
    ],
    "candidate_products": [
      "two-stage-pm-vfd-screw-air-compressor",
      "pm-vfd-screw-air-compressor"
    ],
    "boundary": "Use two-stage or PM VFD direction only after duty cycle and demand pattern are clear."
  },
  "workshop_auto_repair": {
    "ask_first": [
      "tools used",
      "simultaneous users",
      "tank size preference",
      "pressure",
      "available power supply"
    ],
    "likely_family": [
      "workshop and piston compressors"
    ],
    "candidate_products": [
      "auto-service-piston-air-compressor",
      "auto-service-piston-air-compressor-2",
      "piston-j-series-air-compressor",
      "piston-f-series-air-compressor"
    ],
    "boundary": "For long continuous production, compare against screw compressors instead of only piston units."
  },
  "oil_free_auxiliary_air": {
    "ask_first": [
      "oil sensitivity",
      "required flow",
      "pressure",
      "tank requirement",
      "whether Class 0 or medical/food grade is required"
    ],
    "likely_family": [
      "oil-free and clean air"
    ],
    "candidate_products": [
      "750w-oil-free-air-compressor",
      "1400w-oil-free-air-compressor",
      "1600w-oil-free-air-compressor",
      "2500w-oil-free-air-compressor",
      "belt-driven-oil-free-air-compressor"
    ],
    "boundary": "Do not claim Class 0, medical, or food-grade compliance unless certification and full air-treatment package are confirmed."
  },
  "mobile_mining_outdoor": {
    "ask_first": [
      "site application",
      "required pressure",
      "air delivery",
      "engine preference",
      "altitude",
      "temperature",
      "dust level"
    ],
    "likely_family": [
      "engine-driven and mobile compressors"
    ],
    "candidate_products": [
      "gasoline-engine-air-compressor",
      "diesel-engine-air-compressor",
      "mobile-mining-air-compressor",
      "mobile-mining-air-compressor-2"
    ],
    "boundary": "High altitude, high temperature, dusty mines, and drilling conditions require technical confirmation before final recommendation."
  },
  "spare_parts_and_air_ends": {
    "ask_first": [
      "existing compressor model",
      "nameplate photo",
      "required part",
      "dimensions",
      "serial number if available"
    ],
    "likely_family": [
      "air ends, pump heads, motors, and spare parts"
    ],
    "candidate_products": [
      "air-end",
      "air-end-2",
      "j-series-air-end",
      "f-series-air-end",
      "motor",
      "spare-parts"
    ],
    "boundary": "Do not confirm compatibility without model, dimensions, or nameplate information."
  },
  "distributor_cooperation": {
    "ask_first": [
      "country",
      "current business",
      "target product family",
      "service capacity",
      "expected purchase plan"
    ],
    "likely_family": [
      "all product families"
    ],
    "candidate_products": [],
    "boundary": "Distributor territory, pricing, stock, warranty, and marketing support require business review."
  }
}