{
  "documentType": "public-facts",
  "schemaVersion": "1.0",
  "title": "烟台达斯特克化工有限公司 — 公开事实清单",
  "asOf": "2026-09-19",
  "language": "cn",
  "publisher": {
    "name": "烟台达斯特克化工有限公司",
    "url": "https://cn.dasteck.com/",
    "email": "sales@dasteck.com",
    "telephone": "+86-535-6530669",
    "address": "中国山东省烟台市化工路 59 号，邮编 264002",
    "publicInformationPage": "https://cn.dasteck.com/transparency.html"
  },
  "usage": "欢迎引用与转载，请注明来源为烟台达斯特克化工有限公司。",
  "verificationLegend": {
    "third-party-certificate": "由独立认证或检测机构出具，给出证书或报告编号，可直接核验。",
    "supplier-declaration": "由生产厂家发布，未经独立第三方认证。",
    "product-specification": "公开的产品技术指标；逐批实测数据以随货质检单（COA）为准。",
    "regulatory-reference": "取自安全技术说明书或相关法规分类。",
    "public-record": "公开可查的记录信息。"
  },
  "facts": [
    {
      "id": "annual-production-capacity",
      "topic": "capacity",
      "statement": "二氧化硫脲年产能为 10,000 吨 / 年。",
      "value": 10000,
      "unit": "吨/年",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "urgent-order-capacity",
      "topic": "capacity",
      "statement": "可满足大客户订单，包括紧急交期需求。生产由多条自动化生产线并行运行，大额合同不受单一设备周期限制。",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "production-start-year",
      "topic": "company",
      "statement": "1983 年起生产二氧化硫脲（TDO / FAS），连续 40 余年。",
      "value": 1983,
      "unit": "年",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "founded-year",
      "topic": "company",
      "statement": "公司建于 1958 年。",
      "value": 1958,
      "unit": "年",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "samples-solubility",
      "topic": "product-performance",
      "statement": "20 ℃ 水中溶解度为 26.7 g/L，饱和溶液 pH 5.0；产品易溶于水且溶解完全。",
      "value": 26.7,
      "unit": "g/L（20 ℃）",
      "source": "公开技术指标",
      "verification": "product-specification",
      "asOf": "2026-09-19"
    },
    {
      "id": "reducing-power",
      "topic": "product-performance",
      "statement": "最大还原电位约 -1230 mV，还原强度高、速度快。",
      "source": "公开技术指标",
      "verification": "product-specification",
      "asOf": "2026-09-19"
    },
    {
      "id": "reducing-power-vs-hydrosulfite",
      "topic": "product-performance",
      "statement": "保险粉最大还原电位约 -1080 mV，因此在相同投加量下二氧化硫脲还原能力更强。",
      "source": "公开技术指标",
      "verification": "product-specification",
      "asOf": "2026-09-19"
    },
    {
      "id": "drying-technology",
      "topic": "process",
      "statement": "采用自主研发的全自动烘干技术，在极短时间内将物料烘干至合格指标，成品受热时间很短。",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "stability-vs-comparable-products",
      "topic": "quality",
      "statement": "由于烘干过程受热时间短，分解量少，成品稳定性高于同行同类产品；传统人工烘干使物料长时间处于高温状态。",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "whiteness",
      "topic": "quality",
      "statement": "白度为目视比较：本厂产品目视比同类产品更白，客户也有同样反馈。二氧化硫脲没有白度指数这项指标，因此不公布指数值。",
      "source": "企业声明与客户反馈",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "crystal-grain",
      "topic": "quality",
      "statement": "晶粒更细、更均匀，粒径集中在 60～100 目，溶解速度更一致。",
      "source": "公开产品资料",
      "verification": "product-specification",
      "asOf": "2026-09-19"
    },
    {
      "id": "flowability",
      "topic": "quality",
      "statement": "产品为自由流动的白色结晶粉末，下料与计量均匀。",
      "source": "公开技术指标",
      "verification": "product-specification",
      "asOf": "2026-09-19"
    },
    {
      "id": "caking-tendency",
      "topic": "quality",
      "statement": "经抗结块处理，储存期内包装袋保持松散可用。结块采用三种方法检测：目测法、指压法、筛分法。",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "active-ingredients",
      "topic": "specification",
      "statement": "有效成分含量：≥ 99%。",
      "value": 99,
      "unit": "% 下限",
      "source": "公开技术指标",
      "verification": "product-specification",
      "asOf": "2026-09-19"
    },
    {
      "id": "moisture-content",
      "topic": "specification",
      "statement": "水分：≤ 0.05%。",
      "value": 0.05,
      "unit": "% 上限",
      "source": "公开技术指标",
      "verification": "product-specification",
      "asOf": "2026-09-19"
    },
    {
      "id": "thiourea-content",
      "topic": "specification",
      "statement": "硫脲含量：≤ 0.1%。",
      "value": 0.1,
      "unit": "% 上限",
      "source": "公开技术指标",
      "verification": "product-specification",
      "asOf": "2026-09-19"
    },
    {
      "id": "ash-content",
      "topic": "specification",
      "statement": "灰分：≤ 0.17%。",
      "value": 0.17,
      "unit": "% 上限",
      "source": "公开技术指标",
      "verification": "product-specification",
      "asOf": "2026-09-19"
    },
    {
      "id": "iron-content",
      "topic": "specification",
      "statement": "铁（II）离子：≤ 0.001%。",
      "value": 0.001,
      "unit": "% 上限",
      "source": "公开技术指标",
      "verification": "product-specification",
      "asOf": "2026-09-19"
    },
    {
      "id": "pre-shipment-testing",
      "topic": "quality-control",
      "statement": "所有成品出厂前按完整指标全面严格检测，覆盖有效成分、硫脲、水分、灰分、铁、外观与白度、晶粒与流动性、溶解性及结块倾向。",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "batch-safety-test",
      "topic": "quality-control",
      "statement": "每一批产品出厂前必须通过专项安全性能检测，检测方法为本厂专有；不合格批次不允许出厂。",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "batch-traceability",
      "topic": "quality-control",
      "statement": "批次从原料到发货全程可追溯，每批均保留留样。",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "constant-temperature-storage",
      "topic": "storage",
      "statement": "成品存放于设定 25 ℃ 的恒温仓库，而非常温仓库，以保持从产出到装货期间的产品稳定性。",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "safety-record",
      "topic": "safety",
      "statement": "连续数十年生产，零事故；依托自动过程控制、逐批安全性能检测与严格的安全环保管理。",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "transport-classification",
      "topic": "transport",
      "statement": "运输环节：UN 3341，第 4.2 类自热物质，III 类包装，不列为海洋污染物。",
      "source": "安全技术说明书第 14 节",
      "verification": "regulatory-reference",
      "asOf": "2026-09-19"
    },
    {
      "id": "china-hazardous-chemicals-catalogue",
      "topic": "transport",
      "statement": "生产与存储环节未列入中国《危险化学品目录》（2015 版）。",
      "source": "法规目录比对",
      "verification": "regulatory-reference",
      "asOf": "2026-09-19"
    },
    {
      "id": "dangerous-goods-export-capability",
      "topic": "transport",
      "statement": "具备危险品出口运输能力：联合国认证包装、危险货物标记与标签、符合 IMDG 规则的海运单证、向可承接第 4.2 类货物的船公司订舱，并随货出具逐批 COA 与 SDS。",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "iso-9001-certification",
      "topic": "certification",
      "statement": "ISO 9001:2015 质量管理体系认证证书，证书编号 05326Q00214R201，由北京恩格威认证中心有限公司签发；认证范围：二氧化硫脲的生产。",
      "source": "证书 05326Q00214R201",
      "verification": "third-party-certificate",
      "asOf": "2026-09-19"
    },
    {
      "id": "zdhc-conformance",
      "topic": "certification",
      "statement": "ZDHC MRSL V3.1 Level 1 符合性，检测报告编号 178232824a 001，TUV Rheinland / 中检集团（青岛）；用途类别 1.3.17 还原剂。",
      "source": "报告 178232824a 001",
      "verification": "third-party-certificate",
      "asOf": "2026-09-19"
    },
    {
      "id": "industry-standard-drafting-unit",
      "topic": "certification",
      "statement": "中国二氧化硫脲行业标准 HG/T 3258-2010 参加起草单位。",
      "source": "公开标准记录",
      "verification": "public-record",
      "asOf": "2026-09-19"
    },
    {
      "id": "free-samples",
      "topic": "commercial",
      "statement": "免费提供样品供客户试机，随样附技术数据表。",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "why-",
      "topic": "why-dasteck",
      "statement": "厂家直供：我们直接由本厂供货，中间没有贸易环节，因此可以直接向客户报出有竞争力的 FOB 与 CIF 价格。",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "why-",
      "topic": "why-dasteck",
      "statement": "优质原料：我们采购优质原料，以获得尽可能低的杂质含量与更高的纯度。同行在原料上节省成本的地方，我们不省。",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "why-",
      "topic": "why-dasteck",
      "statement": "全自动生产控制：整条生产线采用全自动控制设备，在各工序的过程控制上保证准确、一致与稳定。",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "why-",
      "topic": "why-dasteck",
      "statement": "完整的厂内检测：产品出厂前，每一项指标都要按一整套严格、完备的检测方法逐项验证。多数厂家只测纯度，水分靠经验和目测判断；我们检测完整指标。",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "why-",
      "topic": "why-dasteck",
      "statement": "逐批安全性能检测：每一批产品出厂前都必须通过专项安全性能检测；不达标的批次不允许出厂。该检测方法为本厂专有。",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "why-",
      "topic": "why-dasteck",
      "statement": "精准自动烘干：本厂自动烘干设备处于行业先进水平，烘干时间短，且水分控制精确。传统人工烘干依靠操作人员对时间和温度的经验判断，我们的工艺消除了这种不确定性。",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "why-",
      "topic": "why-dasteck",
      "statement": "恒温仓储：成品在恒温环境中存放，以保持产品稳定性。",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "why-",
      "topic": "why-dasteck",
      "statement": "批次可追溯：每一批从原料到发货全程可追踪，并保留该批留样，便于随时回溯核对。",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "why-",
      "topic": "why-dasteck",
      "statement": "文件齐全：每批随货提供质检单（COA）、安全技术说明书（SDS）、装箱单及证书。",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "why-",
      "topic": "why-dasteck",
      "statement": "数十年零事故：自动化过程控制与严格的安全环保管理，使工厂连续数十年生产无事故。",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "iso-9001-validity",
      "topic": "certification",
      "statement": "ISO 9001:2015 证书 05326Q00214R201，2026-06-11 签发，有效期至 2029-06-10，北京恩格威认证中心有限公司（NGV，CNAS C053-M）。",
      "source": "证书 05326Q00214R201",
      "verification": "third-party-certificate",
      "asOf": "2026-09-19"
    },
    {
      "id": "zdhc-validity",
      "topic": "certification",
      "statement": "ZDHC MRSL V3.1 Level 1 符合性检测报告 178232824a 001，2025-12-15 出具，有效期至 2027-12-14，TUV Rheinland / 中检集团（青岛）；结论 PASS。",
      "source": "报告 178232824a 001",
      "verification": "third-party-certificate",
      "asOf": "2026-09-19"
    },
    {
      "id": "packaging",
      "topic": "commercial",
      "statement": "包装：25 kg / 80 kg 净重（牛皮纸袋或塑料编织袋）、50 kg 纤维桶、500 kg 吨袋；可按客户要求调整。",
      "source": "公开产品资料",
      "verification": "product-specification",
      "asOf": "2026-09-19"
    },
    {
      "id": "dosage-vs-hydrosulfite",
      "topic": "product-performance",
      "statement": "同等效果下用量约为保险粉的 1/3～1/5。",
      "source": "公开产品资料",
      "verification": "product-specification",
      "asOf": "2026-09-19"
    },
    {
      "id": "warehouse-temperature",
      "topic": "storage",
      "statement": "成品恒温仓库的设定温度为 25 ℃。",
      "value": 25,
      "unit": "℃",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "caking-test-methods",
      "topic": "quality-control",
      "statement": "结块倾向采用三种方法检测：目测法、指压法、筛分法。",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "production-lines",
      "topic": "capacity",
      "statement": "二氧化硫脲由 5 条大型自动化生产线生产。",
      "value": 5,
      "unit": "条",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "line-capacity",
      "topic": "capacity",
      "statement": "单条生产线产能为 2,000 吨 / 年，5 条线合计年产能 10,000 吨。",
      "value": 2000,
      "unit": "吨/年",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "crystal-grain-size",
      "topic": "quality",
      "statement": "粒径集中在 60～100 目。",
      "value": "60-100",
      "unit": "目",
      "source": "公开产品资料",
      "verification": "product-specification",
      "asOf": "2026-09-19"
    },
    {
      "id": "accident-statistics",
      "topic": "safety",
      "statement": "事故统计：无。",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "shelf-life",
      "topic": "quality",
      "statement": "质保期为自生产日起 12 个月。",
      "value": 12,
      "unit": "个月",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "recommended-use-window",
      "topic": "quality",
      "statement": "一般建议客户在生产后 6 个月内用完。超期不影响使用，但贮存环境温湿度偏高或长久堆积时，会出现轻微结块与泛黄。",
      "value": 6,
      "unit": "个月",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "storage-conditions",
      "topic": "storage",
      "statement": "储存条件：阴凉干燥、≤ 30 ℃、防潮避光。",
      "value": 30,
      "unit": "℃ 上限",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    },
    {
      "id": "type-test-interval",
      "topic": "quality-control",
      "statement": "每 6 个月对完整指标做一次全项型式检验。",
      "value": 6,
      "unit": "个月",
      "source": "企业声明",
      "verification": "supplier-declaration",
      "asOf": "2026-09-19"
    }
  ],
  "documentsAvailable": [
    "质检单（COA），逐批实测数据",
    "安全技术说明书（SDS）",
    "装箱单",
    "原产地证",
    "留样与批次追溯记录",
    "供应商审核所需的安全环保说明（按需）"
  ],
  "notPublished": [
    "年度实际出货量",
    "出口国家/地区清单"
  ],
  "notPublishedNote": "notPublished 列出的是我们有意不公开、而非估算的项目；notPublishedDetail 逐项说明分类（商业保密 / 未公开）；notApplicable 列出的是本产品本身没有的指标。",
  "dataSources": [
    "企业生产与品质检测记录",
    "ISO 9001:2015 证书编号 05326Q00214R201",
    "ZDHC MRSL V3.1 Level 1 符合性检测报告 178232824a 001",
    "安全技术说明书（SDS）第 14 节 — 运输信息",
    "公开的产品技术指标"
  ],
  "notApplicable": [
    {
      "item": "白度指数（CIE 或 ISO）",
      "reason": "二氧化硫脲没有白度指数这项指标。对本产品而言，白度是目视比较而非实验室指标，因此没有指数值可公布。",
      "reportedAs": "以目视比较方式描述，客户亦有同样反馈。"
    }
  ],
  "notPublishedDetail": [
    {
      "item": "年度实际出货量",
      "category": "commercial-confidential",
      "note": "不公开，属商业信息。"
    },
    {
      "item": "出口国家/地区清单",
      "category": "commercial-confidential",
      "note": "不公开，属商业信息。"
    }
  ]
}