🇺🇸 TradeTools US v2026
HTS Code · Section 301 Tariff · Landed Cost · CBM — Zero-server trade toolkit
🇺🇸⭐ Core
U.S. HTS Code Tariff Wall Detector
输入 10 位 HTS 编码，多层关税拆解：MFN 基础税率 + 301 对华加征 + AD/CVD 双反预警。
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🛃🔥 Featured
Landed Cost & FOB/CFR/CIF Calculator
综合完税到岸成本核算，FOB 货值 + 301 关税 + MPF/HMF 规费一键联算。
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📦高频
CBM & Freight Weight Converter
Multi-box CBM calculation with inch/cm, lbs/kg toggle for US importers.
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🚢New
2D Container Packing Simulator
Greedy algorithm for 20GP/40GP/40HQ loading optimization with SVG visualization.
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💰New
Exchange Rate Buffer Converter
12-currency converter with bank buffer/markup calculation. Quick reference for 14 major FX pairs.
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🌍New
World Trade Timezone Board
Live clocks for 10 major trade cities with DST-aware business hour overlap visualization.
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