cubic centimeter unit
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 9031494000 | 35.0% | CN | US | 官方文档 |
| 9031904500 | 35.0% | CN | US | 官方文档 |
AI分析
📏 Cubic Centimeter (cm³) Unit: The Standard for Volume Measurement
🌐 Global Standard for Volume | Precision in Science, Industry, and Trade | 2026 Compliance Guide
📌 一、Definition and Core Concept: What is a Cubic Centimeter?
The Cubic Centimeter (cm³), also commonly referred to as a milliliter (mL), is a metric unit of volume. It represents the volume of a cube with sides measuring one centimeter in length.
In international trade, science, and engineering, it is the standard reference for small-volume measurements.
⚠️ Key Distinction:
- cm³: Strictly a geometric volume unit (1 cm × 1 cm × 1 cm).
- mL (Milliliter): The practical unit used in fluids, fuel, and pharmaceuticals.
- Equivalence: 1 cm³ = 1 mL = 0.001 liters = 1,000 mm³.
📦 二、HS Code Classification & Trade Relevance
While "cubic centimeter" itself is a unit, not a product, it is frequently used to define the capacity or displacement of goods. Incorrect unit declaration can lead to customs misclassification, valuation errors, and duty disputes.
| Product Category | Typical HS Code | Role of cm³ in Declaration | Duty Relevance |
|---|---|---|---|
| Engine Displacement (e.g., Motorcycle engines) | 8710.00.00 or 8711 | Declared in cm³ to determine subheading. Example: >250 cm³ vs. ≤250 cm³. |
✅ Critical: Different subheadings have different duty rates. |
| Fuel Tanks & Containers | 7326.90.00 | Capacity often listed in liters or cm³. | ❌ Low impact on duty, but valuation depends on accurate volume. |
| Laboratory Glassware | 7017.90.00 | Volume capacity (e.g., 100 cm³ beaker). | ✅ Must match description exactly to avoid inspection delays. |
| Medical Devices (e.g., Syringes) | 9018.31.00 | Volume (e.g., 1 cm³ syringe). | ⚠️ Regulatory approval (FDA/CE) is tied to volume accuracy. |
🔍 Customs Alert:
- If a product’s HS Code depends on displacement (like engines), cm³ must be explicitly stated in the commercial invoice.
- Ambiguous units (e.g., "CC" without clarification) can trigger manual classification by customs, causing delays.
💰 三、2026 Tariff & Valuation Impact
🎯 1. Engine Displacement: The cm³ Threshold
Many countries (including the US, EU, and China) use engine displacement in cm³ to classify vehicles and parts.
| Displacement (cm³) | Example Product | Typical HS Code (US) | Duty Rate (China Origin) |
|---|---|---|---|
| ≤ 250 cm³ | Small motorcycles, scooters | 8711.10.00 | 2.5% |
| > 250 cm³ | Large motorcycles | 8711.20.00 | 4.5% |
| > 250 cm³ | Motorcycle parts | 8714.99.00 | 5.0% |
📌 Explanation:
- A 249 cm³ engine falls into a lower duty bracket than a 251 cm³ engine.
- Precision matters: Even a 1 cm³ difference can change the HS Code and duty rate.
- Valuation: For ad valorem duties, accurate volume ensures correct customs value assessment.
🎯 2. Fluids and Fuels: cm³ vs. Liters
For fuel, chemicals, and oils, volume is often declared in liters or gallons, but cm³ is used for high-precision or small-scale shipments.
| Unit Conversion | Application | Customs Relevance |
|---|---|---|
| 1 cm³ = 0.001 L | Small samples, lab chemicals | Must be consistent with invoice units. |
| 1 cm³ = 1 mL | Pharmaceuticals, cosmetics | Labeling compliance required (e.g., FDA 21 CFR). |
| 1 cm³ = 0.061 in³ | US domestic reporting | Conversion errors can lead to valuation disputes. |
📌 Note:
- If a shipment is declared in cm³ but the customs system expects liters, automatic conversion may cause rounding errors.
- Best Practice: Declare in liters for bulk shipments, cm³/mL for precise small volumes.
🛠️ 四、Customs Clearance Best Practices
✅ 1. Documentation Requirements
| Document | Required Information |
|---|---|
| Commercial Invoice | Clearly state volume in cm³ or mL if applicable. Example: "Engine Displacement: 600 cm³" |
| Packing List | Total volume of all units in cm³ or liters. |
| Product Specification | Include tolerance levels (e.g., ±1 cm³) for high-precision goods. |
| Certificate of Origin | No direct impact, but consistent units prevent scrutiny. |
✅ 2. Common Declaration Errors
| Error | Consequence | Solution |
|---|---|---|
| "CC" instead of "cm³" | Customs may reject or request clarification. | Use standard metric notation: cm³ or mL. |
| Inconsistent units (e.g., 1000 cm³ vs. 1 L) | Valuation mismatch, potential duties + penalties. | Convert consistently: 1000 cm³ = 1 L. |
| Omitting displacement for engines | Incorrect HS Code, higher duties. | Always declare engine capacity in cm³. |
| Rounding errors | Over/under-declaration, audit risk. | Use exact values, not rounded figures. |
✅ 3. Special Cases
| Case | Guidance |
|---|---|
| OEM Engines | Provide manufacturer specs with cm³ displacement. |
| Fuel Cylinders | Declare water capacity in cm³ or liters for safety compliance. |
| Medical Syringes | Declare nominal volume in mL (equivalent to cm³) for regulatory approval. |
| 3D Printed Parts | Volume may be used for density calculations in valuation. |
🌍 五、Global Market Comparison
| Region | Standard Unit | Customs Preference | Notes |
|---|---|---|---|
| 🇺🇸 USA | cm³ or mL | Explicit cm³ for engines. | Use USITC subheadings for precise classification. |
| 🇪🇺 EU | cm³ or mL | Harmonized System (HS) applies. | TARIC codes may require decimal precision. |
| 🇨🇳 China | cm³ or mL | Customs Declaration System accepts both. | Cross-border e-commerce often uses mL. |
| 🇯🇵 Japan | cm³ (cc) | "cc" is commonly used in local trade. | HS Code requires metric precision. |
| 🇬🇧 UK | cm³ or mL | Post-Brexit: UKGT applies. | Consistent units prevent clearance delays. |
📌 Conclusion:
- cm³ is globally recognized, but notation matters.
- Engines: cm³ is mandatory for classification.
- Fluids: mL/L preferred for bulk, cm³ for precision.
📌 六、Common Mistakes & Pitfalls
❌ Mistake 1: Using "CC" as the unit
👉 Fix: Use cm³ or mL for customs clarity.
❌ Mistake 2: Rounding engine displacement
👉 Fix: Declare exact cm³ (e.g., 598 cm³, not 600 cm³).
❌ Mistake 3: Mixing imperial and metric units
👉 Fix: Convert all to cm³ or liters for consistency.
❌ Mistake 4: Omitting volume for laboratory equipment
👉 Fix: Include capacity in cm³ in the description.
🎯 七、Final Recommendations
🎯 Golden Rules:
🔹 Always declare cm³ explicitly for engines and precision goods.
🔹 Use mL for fluids in medical and cosmetic shipments.
🔹 Avoid abbreviations like "CC" – use cm³ or mL.
🔹 Convert consistently to prevent valuation disputes.
📌 Pro Tip:
If your product’s HS Code depends on volume (e.g., engines, fuel tanks), apply for a Pre-Ruling from customs to confirm classification and duty rate.
📣 Act Now:
📞 Contact a licensed customs broker to verify cm³ declaration.
📄 Prepare technical specs with exact volume data.
🚀 Ensure smooth clearance and accurate duty payment.
✨ Precision in Volume, Precision in Trade!
💼 One cm³ can make a difference in your duty bill.
用户评价
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。