電子商務
Ft Customs Duty
Use when: user needs help with customs duties, import VAT, import consumption tax, HS code classification, bonded zone policies, or processing trade (tolling/contract manufacturing). Trigger: '关税', '进口增值税', '进口消费税', 'HS编码', '报关', '保税区', '综保区', '加工贸易', '进料加工', '来料加工'. NOT for: domestic VAT filing (go to ft-tax-advisor) or export VAT refund calculations (go to ft-export-tax-rebate).