China · Heading· 2 subheadings· 0 codes

2511Natural barium sulphate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 2816

Subheadings (6-digit WCO)

251110- Natural barium sulphate (barytes)→251120Natural barium carbonate (witherite)→
China HS 2511 · Natural barium sulphate (barytes); natural barium carbonate · Treayo