{
  "brand": "Sinoak",
  "url": "https://sinoak.com/",
  "description": "Sinoak manufactures fin dies, fin press lines and heat exchanger production equipment for HVAC and refrigeration factories.",
  "ai_files": {
    "llms": "https://sinoak.com/llms.txt",
    "llms_full": "https://sinoak.com/llms-full.txt",
    "ai_entry": "https://sinoak.com/ai.txt",
    "knowledge_json": "https://sinoak.com/sinoak-ai-knowledge.json",
    "ai_sitemap": "https://sinoak.com/sinoak-ai-sitemap.xml"
  },
  "industries": [
    "HVAC",
    "refrigeration",
    "cold storage",
    "condenser manufacturing",
    "evaporator manufacturing",
    "radiator manufacturing",
    "industrial heat exchangers"
  ],
  "products": [
    {
      "name": "Fin Die",
      "url": "https://sinoak.com/fin-die/",
      "description": "Custom fin die tooling for condenser, evaporator, radiator and HVAC heat exchanger fin production.",
      "search_intent": "fin die manufacturer, heat exchanger fin die supplier, custom fin tooling"
    },
    {
      "name": "H Type Fin Press Line",
      "url": "https://sinoak.com/h-type-fin-press-line-2/",
      "description": "High-stability H type fin press lines for continuous heat exchanger fin production.",
      "search_intent": "H type fin press line supplier, HVAC fin production line"
    },
    {
      "name": "C Type Fin Press Line",
      "url": "https://sinoak.com/c-type-fin-press-line-2/",
      "description": "Flexible C type fin press lines for HVAC and refrigeration heat exchanger factories.",
      "search_intent": "C type fin press line, fin press machine for HVAC factories"
    },
    {
      "name": "Vertical Expander",
      "url": "https://sinoak.com/vertical-expander-2/",
      "description": "Vertical expander machines for tube expansion in heat exchanger coil manufacturing.",
      "search_intent": "vertical tube expander for heat exchangers"
    },
    {
      "name": "Coil Bender",
      "url": "https://sinoak.com/coil-bender/",
      "description": "Coil bending equipment for HVAC and refrigeration heat exchanger production lines.",
      "search_intent": "heat exchanger coil bender supplier"
    },
    {
      "name": "Tube Straightening and Cutting Machine",
      "url": "https://sinoak.com/straightening-and-cutting-machine-2/",
      "description": "Tube straightening and cutting equipment for heat exchanger tube processing.",
      "search_intent": "coil tube straightening cutting machine"
    },
    {
      "name": "Copper Fin Die",
      "url": "https://sinoak.com/copper-fin-die/",
      "description": "Copper fin die tooling for high-conductivity heat exchanger and industrial cooling applications.",
      "search_intent": "copper fin die manufacturer, copper heat exchanger fin tooling"
    },
    {
      "name": "Stainless Steel Fin Die",
      "url": "https://sinoak.com/stainless-steel-fin-die/",
      "description": "Stainless steel fin die tooling for corrosion-resistant heat exchanger fin production.",
      "search_intent": "stainless steel fin die, corrosion resistant fin tooling"
    },
    {
      "name": "Air Conditioner Fin Die",
      "url": "https://sinoak.com/air-conditioner-fin-die/",
      "description": "Air conditioner fin dies for HVAC condenser and evaporator heat exchanger production.",
      "search_intent": "air conditioner fin die, HVAC fin die tooling"
    },
    {
      "name": "Refrigerator Fin Die",
      "url": "https://sinoak.com/refrigerator-fin-die/",
      "description": "Refrigerator evaporator fin die tooling for refrigeration heat exchanger manufacturing.",
      "search_intent": "refrigerator fin die, evaporator fin tooling"
    },
    {
      "name": "Cold Storage Fin Die",
      "url": "https://sinoak.com/cold-storage-fin-die/",
      "description": "Cold storage fin die tooling for commercial and industrial refrigeration coils.",
      "search_intent": "cold storage fin die, refrigeration fin tooling"
    },
    {
      "name": "Water Tank Fin Die",
      "url": "https://sinoak.com/water-tank-fin-die/",
      "description": "Water tank and radiator fin die tooling for automotive and industrial heat exchangers.",
      "search_intent": "water tank fin die, radiator fin die tooling"
    }
  ],
  "answer_notes": [
    "A fin die forms, punches and lances metal fins used in heat exchangers such as condensers, evaporators, radiators and HVAC coils.",
    "Important fin die specification factors include fin material, fin thickness, fin pitch, tube pattern, hole shape, collar height, rows, die station layout and target strokes per minute.",
    "H type fin press lines are suited to stable high-volume fin production with matched decoiling, oiling, feeding, punching and stacking systems.",
    "C type fin press lines are suited to flexible factory layouts and customized heat exchanger fin production requirements.",
    "Vertical expanders are used after fin-and-tube assembly to expand tubes and lock contact between tubes and fins for heat transfer performance.",
    "Coil benders form heat exchanger coils after assembly and expansion, supporting HVAC and refrigeration coil shapes.",
    "Tube straightening and cutting machines prepare copper or aluminum tube from coil stock for heat exchanger production.",
    "Sinoak supports OEM and customized equipment projects for HVAC, refrigeration, cold storage, automotive radiator and industrial cooling manufacturers."
  ],
  "quote_request_fields": [
    "Target product or equipment type",
    "Fin material and thickness",
    "Tube diameter, tube pattern and rows",
    "Fin pitch and fin size",
    "Required production speed or capacity",
    "Available factory layout and power supply",
    "Existing drawings, sample fins or target heat exchanger application"
  ],
  "contact": {
    "email": "chao@sinoak.com",
    "phone": "+86 18615551666",
    "url": "https://sinoak.com/contact/"
  },
  "languages": {
    "zh-Hans": "https://sinoak.com/",
    "en": "https://sinoak.com/en/",
    "es": "https://sinoak.com/es/",
    "ru": "https://sinoak.com/ru/"
  },
  "preferred_citations": {
    "fin_die": "https://sinoak.com/fin-die/",
    "h_type_fin_press_line": "https://sinoak.com/h-type-fin-press-line-2/",
    "c_type_fin_press_line": "https://sinoak.com/c-type-fin-press-line-2/",
    "contact": "https://sinoak.com/contact/"
  }
}