China · Heading· 1 subheadings· 0 codes

3816Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included

Subheadings (6-digit WCO)

381600REFRACTORY CEMENTS, MORTARS, CONCRETES AND SIMILAR COMPOSITIONS, INCLUDING DOLOMITE RAMMING MIX, OTHER THAN PRODUCTS OF HEADING 3801→
China HS 3816 · Reaction initiators, reaction accelerators and catalytic pre · Treayo · 全球关税