tropical wood construction frames
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 9406100000 | 37.6% | CN | US | 官方文档 |
| 9406900190 | 87.9% | CN | US | 官方文档 |
| 4418110000 | 38.2% | CN | US | 官方文档 |
| 4418218060 | 39.8% | CN | US | 官方文档 |
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AI分析
🌴 Tropical Wood Construction Frames (Builders' Joinery of Wood)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
📌 I. Product Definition & Classification: Do You Really Understand "Tropical Wood Frames"?
Tropical wood construction frames are critical components in building joinery and carpentry, specifically those manufactured from tropical wood species (e.g., Teak, Ipe, Mahogany, Merbau). In international trade, these are distinguished not just by material, but by their specific function as frames for windows, doors, or thresholds.
The key distinction lies in the sub-type: 1. Windows & Their Frames: Includes sash frames, casement frames, and fixed glazing frames. 2. Doors & Their Frames: Includes door leaf frames, threshold strips, and assembly frames.
⚠️ Key Distinction Point:
- If the product is a Window Frame made of tropical wood →归类 to 4418.11.00.00
- If the product is a Door Frame/Threshold made of tropical wood →归类 to 4418.21.80.60
- Crucial: Both categories currently enjoy 0% total tax burden for most origins under current data, but specific "Other Other" subcategories may trigger additional levies.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
| HS Code | Product Description | Application Scenario | Wood Type | Tax Status (Total) |
|---|---|---|---|---|
4418.11.00.00 |
Windows, French-windows and their frames: Of tropical wood | Window sashes, casements, fixed frames for windows | ✅ Tropical Wood | 0.0% |
4418.21.80.60 |
Doors and their frames and thresholds: Of tropical wood: Other Other | Door frames, threshold strips, assembled door frames | ✅ Tropical Wood | 0.0% |
4406.00.00.00 |
Railway or tramway sleepers of wood | Structural beams, not joinery | ❌ N/A | Varies |
9406.10.00.00 |
Prefabricated buildings: Of wood | Entire modular structures, not individual joinery parts | ❌ Any Wood | 0.0% |
9406.90.01.90 |
Prefabricated buildings: Other Other: Other | Non-wood prefabricated structures | ❌ Steel/Aluminum/Copper | 50.0% |
🔍 Important Reminder:
- Window Frames (4418.11.00.00) and Door Frames (4418.21.80.60) are excluded from prefabricated building codes (9406). They are considered "builders' joinery." - Misdeclaring a window frame as a "prefabricated building part" can lead to significant customs discrepancies. - Ensure the wood species is explicitly declared as Tropical Wood to qualify for these specific subheadings.
💰 III. 2026 Latest Tariff Rate Details (Including Additional Taxes & Policy Add-ons)
✅ Applicable Country: United States (US)
✅ Origin: China (CN) (Assumed based on context of typical tariff queries; verify origin)
✅ Effective Time: Current (2025-2026)
🎯 1. 4418.11.00.00 —— Windows, French-windows and their frames (Of Tropical Wood)
| Item | Content |
|---|---|
| Base Tariff | 0% (ad valorem) |
| USITC Additional Tax | 0% (No specific Section 301 footnote applied to this subheading in provided data) |
| Total Tax Rate | 0.0% |
| Tax Calculation | CIF Value × 0% = $0 |
| De Minimis Exemption | ✅ Yes (if value < $800) |
| Legal Basis Path | HTSUS:4418.11.00.00 |
📌 Explanation:
- This category enjoys a 0% total tax rate according to the provided data.
- No additional steel/aluminum/copper surcharge applies (it's wood).
- Benefit: Highly competitive for tropical wood window frame imports.
🎯 2. 4418.21.80.60 —— Doors and their frames and thresholds (Of Tropical Wood: Other Other)
| Item | Content |
|---|---|
| Base Tariff | 0% (ad valorem) |
| USITC Additional Tax | 0% |
| Total Tax Rate | 0.0% |
| Tax Calculation | CIF Value × 0% = $0 |
| De Minimis Exemption | ✅ Yes (if value < $800) |
| Legal Basis Path | HTSUS:4418.21.80.60 |
📌 Explanation:
- Similar to window frames, door frames of tropical wood fall under 0% total tax.
- Caution: Ensure the description matches "Doors and their frames and thresholds." Generic "wood parts" might be misclassified.
🎯 3. 9406.10.00.00 —— Prefabricated Buildings: Of Wood
| Item | Content |
|---|---|
| Base Tariff | 0% |
| Additional Tax | 0% |
| Total Tax Rate | 0.0% |
| Applicability | Entire prefabricated wooden structures, not individual frames |
📌 Note:
- If you are importing modular cabins or prefabricated wooden houses, use this code.
- Do not use for individual window/door frames.
🚨 Special Case: 9406.90.01.90 —— Prefabricated Buildings: Other Other (Steel/Aluminum/Copper)
| Item | Content |
|---|---|
| Base Tariff | 0% |
| Steel/Aluminum/Copper Surcharge | +50% |
| Total Tax Rate | 50.0% |
| Applicability | Prefabricated buildings made of steel, aluminum, or copper |
📌 Warning:
- This 50% tax applies only to prefabricated buildings made of metal (steel, aluminum, copper).
- Tropical wood frames do NOT qualify for this high tax rate. Ensure your product is correctly classified as wood (4418.xx) to avoid this penalty.
🛠️ IV. Customs Clearance Practical Advice (Battle-Tested Pitfall Guide)
✅ 1. Required Documentation Checklist (Non-Negotiable)
| Document | Must Provide | Notes |
|---|---|---|
| ✅ Commercial Invoice | ✔️ | Must clearly state: "Tropical Wood Window/Door Frames" |
| ✅ Packing List | ✔️ | Detail dimensions, quantity, and gross weight |
| ✅ Bill of Lading/Air Waybill | ✔️ | Standard shipping document |
| ✅ Wood Species Declaration | ✔️ | Specify exact tropical wood type (e.g., Ipe, Teak) to support HS Code 4418 |
| ✅ Phytosanitary Certificate | ✔️ | Mandatory for wood products to prove pest-free treatment |
| ✅ ISPM 15 Mark | ✔️ | Proof of wood packaging treatment (if applicable) |
| ✅ Product Photos | ✔️ | Show frames with clear labels indicating "Tropical Wood" |
✅ 2. Declaration Tips (Key Mnemonics)
🔥 "Wood Frames Not Prefab, Tropical Wood Low Tax!"
| Scenario | Correct Declaration | Wrong Action | Consequence |
|---|---|---|---|
| Window Frames | 4418.11.00.00 |
Declare as 9406.10.00.00 |
Potential misclassification penalty |
| Door Frames | 4418.21.80.60 |
Declare as generic "Wood Parts" | Delayed clearance, extra verification |
| Prefab Wooden Cabin | 9406.10.00.00 |
Declare as individual frames | Undervaluation risk |
| Metal Prefab Building | 9406.90.01.90 |
Declare as wood | 50% Tax + Penalty |
✅ 3. Special Case Handling
| Scenario | Handling Advice |
|---|---|
| Mixed Materials (Wood + Aluminum) | If the frame is primarily wood but has aluminum reinforcements, declare as wood if wood is the essential character. Provide detailed specs. |
| Non-Tropical Wood | If the wood is not tropical (e.g., Pine, Oak), it may fall under different subheadings (e.g., 4418.10.00.00 for non-tropical windows). Check base rates. |
| Untreated Wood | Without a Phytosanitary Certificate, the shipment will be held or destroyed. Ensure fumigation/treatment is documented. |
| Large Volume Imports | Consider applying for an Advance Ruling from CBP to confirm the correct HS Code and duty rate. |
🌍 V. Global Market Clearance Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff | Certification Requirements | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 4418.11.00.00 / 4418.21.80.60 |
0.0% | Phytosanitary + ISPM 15 | Low duty for tropical wood joinery |
| 🇪🇺 EU | 4418.10.00 / 4418.20.00 |
0% - 4.5% | FLEGT License (if applicable) | Check CITES for endangered tropical species |
| 🇨🇳 China | 4418.10.00.00 / 4418.20.00.00 |
5% - 10% | CCC (if applicable) | No specific tropical wood surcharge |
| 🇬🇧 UK | 4418.10.00 / 4418.20.00 |
0% - 4.5% | FLEGT + UKCA | Post-Brexit rules apply |
| 🇦🇺 Australia | 4418.10.00 / 4418.20.00 |
5% | IPP (International Plant Protection) | Strict biosecurity |
📌 Conclusion:
- USA offers 0% duty for tropical wood window/door frames, making it highly competitive.
- EU and Australia require strict phytosanitary and CITES compliance for tropical wood.
- Avoid misclassifying wood frames as prefabricated buildings to prevent unexpected 50% metal surcharges (if incorrectly labeled as metal prefabs).
📌 VI. Common Errors & Pitfall Guide (Blood & Tears Lessons)
❌ Error 1: Declaring wooden window frames as 9406.10.00.00 (Prefabricated Buildings)
👉 Consequence: While tax is also 0%, it may trigger unnecessary inspections for "building systems" vs. "joinery." Better to use specific joinery codes.
❌ Error 2: Failing to declare "Tropical Wood" specifically
👉 Consequence: Customs may classify under generic "Wood" codes, potentially leading to different duty rates or missing CITES verification requirements.
❌ Error 3: Importing without a Phytosanitary Certificate
👉 Consequence: Shipment detained, fined, or destroyed due to pest risk.
❌ Error 4: Confusing Door Frames (4418.21.80.60) with Window Frames (4418.11.00.00)
👉 Consequence: Minor risk of administrative delay. Ensure accurate description.
✅ Correct Approach:
"Tropical Wood Window Frames, Model XYZ, Fumigated, ISPM 15 Marked, Phytosanitary Certificate Attached"
🎯 VII. Conclusion: Professional Declaration, Save Time, Reduce Costs!
🎯 Remember Mnemonics:
🔹 "Wood Frames Not Prefab, Tropical Wood Low Tax!"
🔹 "Phytosanitary is Key, No Paper No Entry!"
🔹 "0% Duty in USA, But Check Origin & Species!"
📌 Tips:
- If your tropical wood is endangered species (e.g., Rosewood, certain Teaks), ensure CITES permits are obtained.
- For large commercial shipments, consider pre-clearance with CBP to avoid delays.
- Always keep product specifications and wood species proof ready for customs verification.
📣 Immediate Action:
📞 Contact a licensed customs broker + Provide Phytosanitary Certificate + Confirm HS Code
🚀 Let your tropical wood frames clear smoothly, efficiently, and profitably!
✨ Professional clearance starts with accurate classification!
💼 Every dollar of duty saved is pure profit!
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关于 HS 编码归类
协调制度（HS）是由世界海关组织（WCO）制定的国际贸易商品分类标准。全球 200 多个国家采用 HS 系统作为海关关税、贸易统计和进出口监管的基础。
每个 HS 编码遵循以下层级结构：
- 章（2 位）——商品大类（例如：第 84 章：机器和机械设备）
- 品目（4 位）——章内的更具体分类
- 子目（6 位）——国际通用细分，所有 WCO 成员国统一使用
- 本国细分（8-10 位）——各国自行扩展的细分编码，如美国 HTSUS 10 位编码
正确的 HS 编码归类对于顺利通关、准确缴纳关税和遵守贸易法规至关重要。错误归类可能导致海关延误、多缴关税或罚款。
从CN进口到US时，适用的关税税率可能包括：
- 最惠国（MFN）税率——适用于 WTO 成员国的标准关税税率
- 普通税率——适用于无贸易协定国家
- 贸易救济关税——附加关税，如 301 条款（反倾销）、232 条款（国家安全）或反补贴税
本页内容仅供参考。如需正式归类，请咨询当地海关或持牌报关代理。