壳套装

📱 Shell Set / Case Set (Telephone Accessories)

🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional-Level Clearance Strategy
📌 Part 1: Product Definition & Classification: What Exactly is a "Shell Set"?

A "Shell Set" (often referred to as Case Set, Housing, or Cover) is a critical accessory for telecommunication devices, particularly telephone sets, smartphones, and devices for cellular or wireless networks. In international trade, the classification depends heavily on whether the item is considered a "part" or merely a "cover", and its material composition.

Key Distinction: - Accessories/Parts: If the shell set includes structural components that attach to the internal circuitry, antenna connectors, or mounting points, it is classified under Parts of Telephone Sets. - Materials: The HS codes provided below cover both Paper/Paperboard (for packaging or specific office-style cases) and Electronic Accessories (for device housing).

⚠️ Critical Note:
- If the "Shell Set" is made of plastic/metal and attaches to a phone → HS 8517.79.00.00
- If the "Shell Set" is a paper box/case for storage or shipping → HS 4819.60.00.00 or 4819.50.40.40

📦 Part 2: HS Code Classification Details (2026 Latest Tariff Authority对照)

Based on the provided data, "Shell Set" can fall into three distinct categories depending on its material and function:

🔍 Key Explanation:
- 8517.79.00.00 is the most common classification for electronic device shell sets (e.g., phone cases, covers). The data explicitly states: "Case Set may be considered a part/accessory under the category of 'Other'."
- 4819.60.00.00 and 4819.50.40.40 apply only if the "Shell Set" is made of paper/paperboard and used for storage/packaging, not for protecting the electronic device itself in an operational sense.

💰 Part 3: 2026 Latest Tariff Rate Breakdown (Detailed Tax Clauses)

✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Time: 2025/2026 (Current Policy)

🎯 1. 8517.79.00.00 — Parts of Telephone Sets (Electronic Shell Sets)

📌 Explanation:
- The 25% additional tariff is the standard USITC 301 tariff on Chinese electronic accessories.
- The 50% surcharge applies if the shell set contains steel, aluminum, or copper components (e.g., metal frames, connectors, or stiffeners).
- Total Effective Rate: 57.5%. This is a high-risk tariff category.

🎯 2. 4819.60.00.00 — Paper/Paperboard Storage Boxes

📌 Explanation:
- Only applies if the product is purely paper-based (e.g., a cardboard box file or paper storage case).
- No metal surcharge applies here as paper is not steel/aluminum/copper.

🎯 3. 4819.50.40.40 — Rigid Paper Boxes/Cartons

📌 Explanation:
- Applies to rigid paper boxes (e.g., luxury packaging boxes, rigid gift boxes).
- Same 25% tariff as above, but for a different sub-category of paper containers.

🛠️ Part 4: Customs Clearance Practical Advice (Avoid Pitfalls)

✅ 1. Preparation Checklist (Essential Documents)

✅ 2. Declaration Tips (Key Mantras)

🔥 "Material Defines Code, Metal Triggers Surcharge, Be Precise!"

✅ 3. Special Case Handling

🌍 Part 5: Global Market Comparison (2026 Latest)

📌 Conclusion:
- USA is the most expensive market for shell sets due to 57.5% total tax.
- EU/UK/Australia offer much lower tariff rates (0-10%).
- If targeting the US, consider supply chain diversification (e.g., sourcing from Vietnam or India) to avoid 301 tariffs.

📌 Part 6: Common Errors & Pitfalls (Lessons Learned)

❌ Error 1: Declaring a metal phone frame as "Plastic Case"
👉 Consequence: Triggered customs audit, back-taxes + penalties. Metal surcharge (50%) was missed in declaration.

❌ Error 2: Declaring a paper box as "Phone Accessory"
👉 Consequence: Misclassification. Paper boxes fall under Chapter 48, not Chapter 85. Different HS code required.

❌ Error 3: Ignoring the metal component surcharge
👉 Consequence: Underpayment of 50%. US Customs imposes strict penalties for misclassifying steel/aluminum products.

❌ Error 4: Using vague terms like "Case" without specifying "for Telephone"
👉 Consequence: Customs may classify under general plastic articles (higher duty) or request additional documentation, causing delays.

✅ Correct Practice:

"Shell Set for Smartphone, Model ABC, Material: Plastic with Aluminum Frame, FCC Certified"

🎯 Part 7: Conclusion: Professional Declaration, Cost Efficiency

🎯 Remember the Mantra:

🔹 "Phone Shell = 8517.79, Metal Add 50%, Paper is 25%!"
🔹 "HS Code Determines Tax, Accuracy Saves Money, Misclassification Costs Thousands!"

📌 Pro Tip:
- If your shell set contains no steel, aluminum, or copper, the tax is 25%.
- If it does contain metals, the tax jumps to 57.5%.
- Material declaration is critical. Provide detailed material breakdowns to customs brokers.

📣 Immediate Action:

📞 Contact your customs broker with material specs + product photos.
🚀 Pre-classify your HS Code to avoid unexpected 57.5% tariffs upon arrival in the US.

✨ Professional Clearance Starts with Accurate Classification!
💼 Your every penny of cost should be precisely calculated!