{
  "schema_version": "1.0",
  "last_verified": "2026-07-07",
  "verified_product_categories": [
    "越南碳酸钙粉",
    "越南钙粉",
    "越南重钙粉",
    "GCC / Ground Calcium Carbonate",
    "改性碳酸钙",
    "工业矿粉",
    "人造岗石粉相关矿粉",
    "塑料填充母料用矿粉"
  ],
  "specification_policy": "Mesh, D97, whiteness, CaCO3 content, moisture, oil absorption and modified grades may be discussed by inquiry, but fixed ranges must not be claimed unless supported by current product documents.",
  "unverified_claims_do_not_use": [
    "300-4000目全规格",
    "纳米钙产品",
    "固定白度承诺",
    "固定钙含量承诺",
    "固定产能承诺"
  ],
  "source": "User-approved product scope from website SEO/GEO task. Exact product parameters are pending verified product documents."
}