China Trade & Market Data

Query China import or export observations by recorded major-commodity label. Inputs: period, commodity, flow and optional metric. Selected exact Chinese aliases and normalized existing names are supported; this is not general translation or HS-code classification. Returns trade_value or quantity observations with original commodity labels, units, scope, source_class, provenance, snapshot, pagination and limits. No category merging or conversion. No match returns an empty data array. Required: period, commodity, flow. Missing required or invalid input produces an argument error.

Query China merchandise trade by partner country/region, including all-partner totals using country TOTAL. Inputs: period, country and optional flow. IMPORT and EXPORT are China imports and exports; BOTH is recorded combined trade. Returns recorded trade values and units (currently 1000USD), scope, source_class, provenance, snapshot, pagination and limits. No commodity filter or currency conversion. No match returns an empty data array. Required: period, country. Missing required or invalid input produces an argument error.

Find foreign-investment observations for a statistical year, optionally filtered by country or measure. Inputs: year, country, metric. Returns paginated structured records with source_class, provenance, snapshot, pagination and limits. Recorded facts only; this query performs no new inference or aggregation. Coverage is limited to the available snapshot. No match returns an empty data array. Required: year. Missing required or invalid input produces an argument error.

Retrieve definitions of information formation classes, provenance fields and snapshot/version metadata. Takes no arguments. Returns the information-standard document, not business records or an assessment of facts.

Query collected country-workbook trade observations (flows relative to the named reporting country) or China–Portuguese-speaking-country bilateral year-to-date observations. Inputs: period and optional country, flow and metric. This collection is not China national all-partner monthly totals. Returns original structured observations, units, scope, source_class, provenance, snapshot, pagination and limits. No conversion, aggregation or cross-period calculation. No match returns an empty data array. Required: period. Missing required or invalid input produces an argument error.