feat: add 5 China authoritative data sources (PM batch 2026-04-28)

firstdata/sources/china/construction/china-caupd.json

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+{
+  "id": "china-caupd",
+  "name": {
+    "en": "China Academy of Urban Planning and Design",
+    "zh": "中国城市规划设计研究院"
+  },
+  "description": {
+    "en": "The China Academy of Urban Planning and Design (CAUPD), established in 1954 and operating under the Ministry of Natural Resources, is China's foremost national-level research institute for urban and rural planning. CAUPD plays a central role in formulating China's urban planning standards, national spatial planning strategies, and major city and regional development plans. The academy has led planning work for hundreds of Chinese cities, key national development zones, and major infrastructure corridors. CAUPD publishes authoritative urban development research including annual urban-rural development reports, housing market analysis, transportation planning studies, and regional spatial planning guidelines. Its data and expertise directly inform the National Five-Year Plans, city master plans, and national policies on urbanization, land use, and sustainable urban development.",
+    "zh": "中国城市规划设计研究院（中规院）成立于1954年，隶属于自然资源部，是中国最权威的国家级城乡规划研究机构。中规院在制定中国城乡规划标准、国土空间规划战略和重大城市及区域发展规划方面发挥核心作用，主导了数百个城市、国家重点开发区和重大基础设施廊道的规划工作。院所发布权威城市发展研究成果，包括年度城乡发展报告、住房市场分析、交通规划研究和区域国土空间规划指南，其数据和专业知识直接支撑国家五年规划、城市总体规划及城镇化、土地利用和可持续城市发展相关国家政策的制定。"
+  },
+  "website": "https://www.caupd.com/",
+  "data_url": "https://www.caupd.com/",
+  "api_url": null,
+  "authority_level": "research",
+  "country": "CN",
+  "geographic_scope": "national",
+  "domains": [
+    "urban-development",
+    "land-use",
+    "transportation",
+    "demographics"
+  ],
+  "update_frequency": "annual",
+  "tags": [
+    "城市规划",
+    "urban planning",
+    "城乡规划",
+    "urban-rural planning",
+    "国土空间规划",
+    "national spatial planning",
+    "城镇化",
+    "urbanization",
+    "住房",
+    "housing",
+    "交通规划",
+    "transportation planning",
+    "区域规划",
+    "regional planning",
+    "城市发展",
+    "urban development",
+    "城市群",
+    "city cluster",
+    "中规院",
+    "CAUPD",
+    "城市总体规划",
+    "city master plan",
+    "土地利用",
+    "land use",
+    "可持续城市",
+    "sustainable urban"
+  ],
+  "data_content": {
+    "en": [
+      "China Urban-Rural Development Annual Report: comprehensive statistics on urbanization rate, urban construction land expansion, population migration, and city infrastructure investment",
+      "National spatial planning research: analysis of national territorial spatial planning frameworks, land use optimization, and ecological red line delineation",
+      "Housing market research: housing supply and demand statistics, affordability indices, and rental market analysis for major Chinese cities",
+      "Urban transportation planning studies: data on urban rail transit development, road network density, traffic congestion indices, and public transit ridership",
+      "City cluster development reports: planning data and demographic-economic analysis for Beijing-Tianjin-Hebei, Yangtze River Delta, Pearl River Delta, and Chengdu-Chongqing city clusters",
+      "Urban renewal and brownfield data: statistics on old city renovation projects, urban village redevelopment, and heritage preservation",
+      "Municipal infrastructure capacity analysis: water supply, wastewater treatment, solid waste management, and utility coverage in Chinese cities",
+      "Rural settlement planning: data on rural land consolidation, village relocation, and rural infrastructure improvement programs",
+      "Smart city and digital urban management research: data on city brain systems, digital twin pilots, and urban data platform deployment"
+    ],
+    "zh": [
+      "中国城乡发展年度报告：城镇化率、城市建设用地扩张、人口迁移和城市基础设施投资综合统计",
+      "国土空间规划研究：国家国土空间规划框架、土地利用优化和生态保护红线划定分析",
+      "住房市场研究：主要城市住房供需统计、可负担性指数和租赁市场分析",
+      "城市交通规划研究：城市轨道交通建设、路网密度、交通拥堵指数和公共交通客运量数据",
+      "城市群发展报告：京津冀、长三角、珠三角和成渝城市群规划数据和人口经济分析",
+      "城市更新和棕地数据：老旧城区改造项目、城中村改造和历史文化保护统计",
+      "市政基础设施能力分析：中国城市供水、污水处理、固体废弃物管理和公用事业覆盖情况",
+      "乡村定居点规划：农村土地整治、村庄搬迁和农村基础设施改善项目数据",
+      "智慧城市和数字城市管理研究：城市大脑系统、数字孪生试点和城市数据平台部署数据"
+    ]
+  }
+}

firstdata/sources/china/economy/agriculture/china-agri.json

@@ -0,0 +1,75 @@
+{
+  "id": "china-agri",
+  "name": {
+    "en": "China Agricultural and Rural Information Network",
+    "zh": "中国农业农村信息网"
+  },
+  "description": {
+    "en": "The China Agricultural and Rural Information Network (AGRI, agri.cn) is the official information platform operated by the Agricultural Information Center of the Ministry of Agriculture and Rural Affairs of China. Launched in 1995, AGRI is the most comprehensive national portal for agricultural information, rural economic statistics, crop production data, agricultural price monitoring, and rural policy. The platform aggregates data from the Ministry's departmental systems covering crop planting, livestock and aquaculture production, agricultural machinery, agricultural inputs (fertilizers and pesticides), rural household income, and food security indicators. AGRI's price monitoring system tracks wholesale and retail prices for hundreds of agricultural commodities across major markets nationwide. It is the authoritative primary source for China's agricultural statistical releases and is used by agricultural producers, commodity traders, policy analysts, international agricultural organizations, and food security researchers.",
+    "zh": "中国农业农村信息网（agri.cn）是由农业农村部农业信息中心运营的官方信息平台，于1995年上线，是覆盖农业信息、农村经济统计、农作物生产数据、农业价格监测和农村政策的最全面国家级门户。平台汇聚来自农业农村部各司局系统的数据，涵盖农作物种植面积、畜牧水产养殖、农业机械化、农业投入品（化肥和农药）、农村居民收入和粮食安全指标。农业农村信息网的价格监测体系追踪全国主要市场数百种农产品批发和零售价格，是中国农业统计数据发布的权威一手来源，被农业生产者、大宗商品交易商、政策分析师、国际农业组织和粮食安全研究人员广泛使用。"
+  },
+  "website": "https://www.agri.cn/",
+  "data_url": "https://www.agri.cn/",
+  "api_url": null,
+  "authority_level": "government",
+  "country": "CN",
+  "geographic_scope": "national",
+  "domains": [
+    "agriculture",
+    "statistics",
+    "economics",
+    "food-security"
+  ],
+  "update_frequency": "daily",
+  "tags": [
+    "农业",
+    "agriculture",
+    "农村经济",
+    "rural economy",
+    "农产品价格",
+    "agricultural commodity prices",
+    "粮食安全",
+    "food security",
+    "农作物",
+    "crop production",
+    "畜牧业",
+    "livestock",
+    "水产养殖",
+    "aquaculture",
+    "农业机械化",
+    "agricultural mechanization",
+    "化肥",
+    "fertilizer",
+    "农村居民收入",
+    "rural household income",
+    "农业农村部",
+    "Ministry of Agriculture and Rural Affairs",
+    "MARA",
+    "农业信息中心",
+    "agricultural information"
+  ],
+  "data_content": {
+    "en": [
+      "Crop production statistics: planting area, yield, and output data for major grain crops (rice, wheat, corn, soybeans) and cash crops by province and season",
+      "Agricultural commodity price monitoring: daily and weekly wholesale and retail price indices for hundreds of agricultural products across national, provincial, and county-level market networks",
+      "Livestock and aquaculture production: quarterly data on pig, poultry, cattle, and sheep inventories, as well as fishery catch and aquaculture output",
+      "Agricultural input statistics: annual data on chemical fertilizer production, consumption, and application rates by crop type and region",
+      "Rural household income and expenditure surveys: per capita disposable income, consumption patterns, and poverty incidence for rural Chinese households",
+      "Agricultural machinery data: statistics on tractors, harvesters, and other farm machinery ownership and mechanization coverage rates",
+      "Food security indicators: grain reserve levels, self-sufficiency ratios for major staple crops, and caloric supply data",
+      "Rural land and land reform data: contracted rural land area, land transfer rates, and land registration statistics",
+      "Agricultural trade statistics: China's imports and exports of major agricultural commodities including soybeans, pork, corn, and cotton"
+    ],
+    "zh": [
+      "农作物生产统计：主要粮食作物（水稻、小麦、玉米、大豆）和经济作物的分省季度播种面积、产量和产出数据",
+      "农产品价格监测：全国省市县三级市场数百种农产品日度和周度批发及零售价格指数",
+      "畜牧水产生产：生猪、禽类、牛羊存栏量季度数据，以及渔业捕捞产量和水产养殖产出",
+      "农业投入品统计：按作物类型和地区分类的化学肥料生产、消费和施用量年度数据",
+      "农村居民收入和支出调查：农村居民人均可支配收入、消费结构和贫困发生率",
+      "农业机械数据：拖拉机、收割机等农用机械拥有量和机械化作业覆盖率统计",
+      "粮食安全指标：粮食储备水平、主要口粮自给率和热量供给数据",
+      "农村土地和土地改革数据：农村承包地面积、土地流转率和土地确权登记统计",
+      "农业贸易统计：中国大豆、猪肉、玉米、棉花等主要农产品进出口数据"
+    ]
+  }
+}

firstdata/sources/china/infrastructure/china-ccs.json

@@ -0,0 +1,76 @@
+{
+  "id": "china-ccs",
+  "name": {
+    "en": "China Classification Society",
+    "zh": "中国船级社"
+  },
+  "description": {
+    "en": "China Classification Society (CCS) is the only national ship classification society in China, authorized by the Chinese government under the Ministry of Transport. Established in 1956, CCS develops and enforces technical standards for ship design, construction, and materials; surveys and certifies vessels, offshore platforms, and marine equipment; and issues certificates of compliance with international maritime conventions. CCS is a full member of the International Association of Classification Societies (IACS). It publishes annual statistics on the Chinese-flagged fleet, classification rules, technical circulars, and reports on marine safety and green shipping. CCS data is widely used by shipbuilders, shipowners, insurers, regulators, and maritime researchers to track China's shipbuilding output, fleet condition, and compliance with international maritime standards such as SOLAS, MARPOL, and the ISM Code.",
+    "zh": "中国船级社（CCS）是中国唯一的国家级船舶检验机构，依法受交通运输部授权。成立于1956年，CCS负责制定和执行船舶设计、建造及材料的技术标准，对船舶、海洋平台和船用设备进行检验和认证，并出具符合国际海事公约的合规证书。CCS是国际船级社协会（IACS）的正式成员，每年发布中国籍船队统计数据、船级规范、技术通函和海洋安全与绿色航运报告。CCS数据被造船企业、船东、保险机构、监管部门和海事研究人员广泛用于追踪中国造船产量、船队状况，以及对SOLAS、MARPOL、ISM规则等国际海事标准的遵守情况。"
+  },
+  "website": "https://www.ccs.org.cn/",
+  "data_url": "https://www.ccs.org.cn/",
+  "api_url": null,
+  "authority_level": "government",
+  "country": "CN",
+  "geographic_scope": "national",
+  "domains": [
+    "transportation",
+    "safety",
+    "standards",
+    "statistics"
+  ],
+  "update_frequency": "annual",
+  "tags": [
+    "船级社",
+    "classification society",
+    "船舶检验",
+    "ship survey",
+    "船舶认证",
+    "vessel certification",
+    "海洋平台",
+    "offshore platform",
+    "造船",
+    "shipbuilding",
+    "船队统计",
+    "fleet statistics",
+    "航运安全",
+    "maritime safety",
+    "绿色航运",
+    "green shipping",
+    "IACS",
+    "SOLAS",
+    "MARPOL",
+    "ISM规则",
+    "中国船级社",
+    "CCS",
+    "海事标准",
+    "maritime standards",
+    "船舶规范",
+    "classification rules"
+  ],
+  "data_content": {
+    "en": [
+      "Chinese-flagged fleet statistics: annual data on number, tonnage, and age distribution of CCS-classed vessels by ship type (bulk carriers, tankers, container ships, LNG carriers)",
+      "Ship classification rules: technical standards for hull structure, machinery, electrical systems, fire protection, and stability applicable to new builds and existing vessels",
+      "Survey and certification records: number of ships surveyed, certificates issued, and deficiency findings by flag state and vessel type",
+      "Marine equipment type approvals: list of approved marine equipment and materials certified to CCS standards",
+      "Green shipping reports: data on ship energy efficiency (EEDI, CII), alternative fuel adoption, and decarbonization progress for the Chinese fleet",
+      "Technical circulars and safety bulletins: notifications on regulatory changes, accident lessons learned, and updated technical requirements",
+      "Annual China Ship Quality Report: comprehensive statistics on ship construction quality, major deficiencies, and safety performance",
+      "Offshore platform and marine structure data: classification statistics for drilling rigs, FPSOs, and fixed platforms operating in Chinese waters",
+      "International convention compliance data: PSC detention rates and deficiency statistics for CCS-classed vessels in foreign ports"
+    ],
+    "zh": [
+      "中国籍船队统计：CCS入级船舶数量、吨位及船龄分布年度数据，按船型（散货船、油轮、集装箱船、LNG船）分类",
+      "船舶入级规范：适用于新造船和现有船舶的船体结构、机械、电气系统、防火和稳性技术标准",
+      "检验与证书记录：按船旗国和船型分类的检验船舶数量、颁证数量和缺陷发现",
+      "船用设备型式认可：经CCS认证的船用设备和材料认可名录",
+      "绿色航运报告：中国船队能效（EEDI、CII）、替代燃料应用和脱碳进展数据",
+      "技术通函和安全通告：法规变更通知、事故经验教训和更新的技术要求",
+      "年度中国船舶质量报告：船舶建造质量、主要缺陷和安全表现综合统计",
+      "海洋平台和海洋结构物数据：在中国海域运营的钻井平台、FPSO和固定平台入级统计",
+      "国际公约合规数据：CCS入级船舶在外国港口的PSC滞留率和缺陷统计"
+    ]
+  }
+}