方形钻石网格尺
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 9017304000 | 40.8% | CN | US | Official Doc |
| 9017800000 | 40.3% | CN | US | Official Doc |
AI Analysis
📐 Square Diamond Grid Ruler (Drawing & Measuring Instruments)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
📌 I. Product Definition and Classification: Do You Really Understand "Square Diamond Grid Ruler"?
A Square Diamond Grid Ruler (often referred to as a Diamond Ruler, Scale Ruler, or Multi-Scale Ruler) is a specialized instrument used in drafting, architectural drawing, and technical illustration. It typically features a triangular or square cross-section with different scale graduations on each face, allowing users to measure and draw at various reduced scales (e.g., 1:10, 1:20, 1:50).
In international trade, these instruments fall under Chapter 90: Optical, Photographic, Cinematographic, Measuring, Checking, Precision, Medical or Surgical Instruments. Specifically, they are classified based on their function as "Instruments for measuring length, for use in the hand" or "Drawing instruments."
⚠️ Key Distinction:
- If it is a standard steel/aluminum ruler with multiple scale faces for measuring length → Classified under 9017.30 (Micrometers, calipers, and gauges) or 9017.80 (Other instruments).
- If it is a specialized drafting tool (e.g., set square, scale ruler) primarily for drawing → Classified under 9017.80 (Other instruments).
- Note: Unlike simple "measuring tapes" (9017.20), these rigid rulers are precision instruments.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
| HS Code | Product Description | Applicable Scenario | Tax Rate (China/US Context) |
|---|---|---|---|
9017.30.40.00 |
Micrometers, calipers and gauges: Micrometers and calipers | Precision measuring tools, including high-accuracy scale rulers used for verification | Base: 0.0%, Additional: 0.0% Total: 0.0% |
9017.80.00.00 |
Other instruments | General drafting scales, diamond rulers, set squares, drawing sets | Base: 0.0%, Additional: 0.0% Total: 0.0% |
🔍 Key Reminder:
-9017.30.40.00: Strictly for micrometers and calipers. Most standard "diamond rulers" are not calipers. However, if the ruler is a precision measuring instrument with vernier scales or digital readouts for measurement (not just drawing), it might be argued under 9017.30.
-9017.80.00.00: This is the most common classification for standard diamond grid rulers used in drafting, architecture, and design. It covers "other instruments" for measuring length or drawing.
- Tax Rate: Both codes currently show 0.0% total tax in the provided data, indicating zero tariffs for these specific subheadings in the referenced context (e.g., China import tariffs or specific bilateral agreements).
💰 III. 2026 Latest Tariff Rate Details (Including Additional Taxes)
✅ Applicable Country: China (CN)
✅ Import Tariff: Based on the provided data
✅ Effective Time: Current 2026 tariff schedule
🎯 1. 9017.30.40.00 —— Micrometers and Calipers (Precision Measuring Rulers)
| Item | Content |
|---|---|
| Base Tariff | 0.0% (ad valorem) |
| Additional Tariff | 0.0% |
| Total Tax Rate | 0.0% |
| Tax Calculation | CIF Value × 0% = $0 |
| De Minimis Exemption | ✅ Applicable (if value is low) |
| Legal Basis | Chapter 90, Heading 9017 |
📌 Explanation:
- This code is for precision measuring instruments. If your "square diamond grid ruler" is a high-precision measuring tool (e.g., vernier scale ruler), it may fall here.
- Zero tariff makes it highly competitive for import.
🎯 2. 9017.80.00.00 —— Other Instruments (Standard Drafting/Diamond Rulers)
| Item | Content |
|---|---|
| Base Tariff | 0.0% (ad valorem) |
| Additional Tariff | 0.0% |
| Total Tax Rate | 0.0% |
| Tax Calculation | CIF Value × 0% = $0 |
| De Minimis Exemption | ✅ Applicable |
| Legal Basis | Chapter 90, Heading 9017 |
📌 Note:
- This is the standard classification for most diamond rulers used in drafting and design.
- Zero tariff encourages the import of drafting tools.
🛠️ IV. Customs Clearance Practical Advice (Real-World Pitfall Guide)
✅ 1. Required Documentation Checklist (All Must Be Provided)
| Document | Must Provide | Description |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must include: Material (e.g., Aluminum, Steel, Plastic), Scale Types (e.g., 1:10, 1:20), Dimensions, Brand, Model Number |
| ✅ Product Photos (Clear) | ✔️ | Show the ruler's face, scales, and any brand markings. Highlight "Diamond Ruler" or "Scale Ruler" |
| ✅ Commercial Invoice | ✔️ | Clearly state: "Diamond Grid Ruler for Drafting/Measurement" |
| ✅ Packing List | ✔️ | List quantity, weight, and packaging details |
| ✅ HS Code Pre-Ruling | ✔️ | Recommended to confirm 9017.80.00.00 vs 9017.30.40.00 with customs |
| ✅ Material Declaration | ✔️ | Specify if made of metal, plastic, or composite |
✅ 2. Declaration Tips (Key Mantra)
🔥 "Be Precise, Be Clear: 'Drafting Ruler' vs 'Measuring Instrument'"
| Scenario | Correct Declaration | Wrong Declaration |
|---|---|---|
| Standard Diamond Ruler for Drawing | 9017.80.00.00 "Diamond Grid Ruler for Drafting" |
"Ruler" (Too vague) |
| Precision Vernier Ruler for Measurement | 9017.30.40.00 "Precision Measuring Ruler" |
"Drafting Tool" (May cause misclassification) |
| Set of Drafting Tools | 9017.80.00.00 "Drawing Instrument Set" |
"School Supplies" (Incorrect Chapter) |
✅ 3. Special Cases Handling
| Scenario | Handling Advice |
|---|---|
| Digital Diamond Ruler | If it has electronic components, it may fall under 9031 (Measuring/Checking instruments with electronic functions). Check with customs. |
| Ruler with Laser | If it includes a laser level, it may be classified under 9015 (Surveying instruments). |
| OEM Custom Ruler | Provide customer order and design specs to avoid being classified as "generic." |
| High-Value Precision Rulers | Ensure material and precision claims are documented to avoid duty disputes. |
🌍 V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff | Certification | Notes |
|---|---|---|---|---|
| 🇨🇳 China | 9017.80.00.00 |
0.0% | None | Zero tariff for drafting tools |
| 🇺🇸 USA | 9017.80.00.00 |
Varies (Check USITC) | None | Often 0%, but subject to Section 301 if from China |
| 🇪🇺 EU | 9017.80.00.00 |
0% | CE (if applicable) | General free trade for instruments |
| 🇯🇵 Japan | 9017.80.00.00 |
0% | PSE (if electronic) | Low tariffs for precision tools |
📌 Conclusion:
- China imports these items at 0% tariff, making it cost-effective to source from China.
- US imports from China may face Section 301 tariffs (up to 25%), so verify USITC updates.
📌 VI. Common Mistakes & Pitfalls (Lessons Learned)
❌ Mistake 1: Declaring as "School Supplies" (Chapter 96)
👉 Consequence: Incorrect HS Code (e.g., 9608.10.00), potential duty discrepancies.
❌ Mistake 2: Not specifying "Diamond" or "Scale" in description
👉 Consequence: Customs may classify as generic "Ruler" (9017.20 or 9617.00), leading to delays.
❌ Mistake 3: Ignoring Material Declaration
👉 Consequence: If made of precious metal, higher duties may apply. Must specify material.
❌ Mistake 4: Mixing Drafting Tools with Office Supplies
👉 Consequence: Misclassification under Chapter 96, which has different tax rates and restrictions.
✅ Correct Practice:
"Diamond Grid Ruler, Aluminum, 30cm, Multi-Scale (1:10, 1:20, 1:50), for Architectural Drafting, Model XYZ"
🎯 VII. Conclusion: Professional Declaration, Time-Saving, Cost-Effective!
🎯 Remember the Mantra:
🔹 "Drafting Ruler: 9017.80, Zero Tariff in China!"
🔹 "Precision Measuring: 9017.30, Verify Specifications!"
🔹 "Clear Description, Smooth Clearance, No Surprises!"
📌 Pro Tip:
- If importing to the USA, check for Section 301 tariffs on Chinese-made instruments.
- For customs pre-ruling, submit product samples and specs to confirm 9017.80.00.00.
📣 Immediate Action:
📞 Contact a professional customs broker + Provide product images + Apply for HS Code pre-ruling
🚀 Ensure your Diamond Grid Ruler clears customs smoothly, efficiently, and cost-effectively!
✨ Professional Customs Clearance Starts with Accurate Classification!
💼 Every cent saved is a cent earned!
Customer Reviews
About HS Code Classification
The Harmonized System (HS) is an internationally standardized nomenclature developed by the World Customs Organization (WCO) to classify traded products. Over 200 countries use the HS system as the basis for customs tariffs, trade statistics, and import/export regulations.
Each HS code follows a hierarchical structure:
- Chapter (2 digits) — Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) — More specific grouping within the chapter
- Subheading (6 digits) — Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) — Country-specific extensions for further classification, such as US HTSUS 10-digit codes
Correct HS code classification is essential for smooth customs clearance, accurate duty payment, and compliance with trade regulations. Misclassification can lead to customs delays, overpayment of duties, or penalties.
When importing from CN to US, the applicable tariff rates may include:
- Most-Favored-Nation (MFN) rate — The standard duty rate applied to WTO members
- General rate — Applied to countries without trade agreements
- Trade remedy duties — Additional tariffs such as Section 301 (anti-dumping), Section 232 (national security), or countervailing duties
The information provided on this page is for reference purposes only. For official classification, please consult with your local customs authority or a licensed customs broker.