145%+ effective China tariff rate now applies to many HTS Ch.84 manufactured goods. Calculate your exposure →
Tariff Watch
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Section 301 alerts. CBP rulings. Vietnam sourcing intel. Real cost comparisons.
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What's in Every Issue
Six content pillars — every issue covers what actually moves the needle for US procurement teams dealing with tariff volatility.
Section 301 & IEEPA Updates
Rate changes, exclusion renewals, and stacking effects. We translate USTR notices into dollar impact on your BOM.
CBP / USTR Rulings
Anti-circumvention enforcement, country-of-origin rulings, and customs compliance alerts — before they catch your supplier.
Vietnam FTA News
CPTPP, EVFTA, RCEP, and bilateral agreement updates. New duty-preferential categories, certificate of origin changes, and market access expansions.
Factory Network Intel
Supplier spotlights, new factory additions to Dewin's audited network, equipment upgrades, and certification wins in Vietnam.
Real Cost Comparisons
Actual landed cost math from real RFQs — China+tariff vs Vietnam. No estimates without basis. Per process, per volume tier.
China+1 Transition Tips
Step-by-step guidance for sourcing directors moving production out of China — qualification checklists, transition timelines, and risk mitigation frameworks.
Recent Issues
A preview of what subscribers receive every Monday.
145%+ Effective China Tariff: What It Means for Your Q2 BOM
The stacked tariff environment is now above 100% effective rate for many CNC and die cast components. We break down the math on a $500K annual spend and show you exactly how Vietnam escapes every layer.
CBP Crackdown: Anti-Circumvention Enforcement Is Real — Here's the Checklist
Three real CBP enforcement cases in Q1 2026 involving Vietnam-origin claims. What triggers a scrutiny flag, what "substantial transformation" actually means, and how Dewin's Dolphin Audit protects buyers.
Vietnam vs Mexico: Section 232 Steel Tariffs Hit Mexico in April
Section 232 25% steel tariffs apply to Mexico (non-USMCA quota steel). Vietnam carries $0 on the same HTS chapters. Full landed cost comparison for a steel chassis buy.
CPTPP Deep Dive: Which US Industries Benefit Most From Vietnam FTA Access
CPTPP isn't just about US imports — it opens EU, UK, Japan, and Australia at reduced duty for your Vietnam-made parts. A breakdown by process type and target export market.
HTS Classification Tip: 8466 vs 8484 — Why It Costs Some Buyers $40K More
A real example where reclassifying a precision CNC housing from HTS 8484 to 8466 changed the applicable Section 301 rate. Small classification decisions have large tariff consequences.
Dolphin Audit Spotlight: What a 91/100 Tier 1 Factory Looks Like Inside
A factory walkthrough of a Tier 1 CNC facility in Vietnam — CMM equipment, 5S standards, ISO 9001 documentation, and the 5 audit pillars that separate Tier 1 from probationary factories.
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What Subscribers Say
"The Tariff Watch emails are the only procurement newsletter I actually read. No fluff — just the tariff moves that matter to our supply chain."
Francisco García Quintana
VP Operations, LAROME
"I forwarded the CBP anti-circumvention issue to our compliance team within 10 minutes of getting it. That one email saved us a very uncomfortable audit."
Greg L. Wilhite
President, DOMS
"Every Monday I have my Section 301 update before my team meeting. Dewin turns USTR language into actual numbers I can defend to our CFO."
Vishnu Shanker
Procurement Manager, Texas Technology
Current Tariff Snapshot
The tariff landscape you need to understand — updated when rates change. Tariff Watch subscribers get immediate alerts when any row in this table changes.
| HTS Category | MFN Rate | China Section 301 | China Total Est. | Vietnam Rate |
|---|---|---|---|---|
| CNC Machined Parts (Ch.84) | 0–3.9% | 25% | ~29–145%+ | $0 S301 |
| Steel Fabrications (Ch.73) | 0–4% | 25% | ~29%+ | $0 S301 |
| Aluminum Parts (Ch.76) | 3–6% | 25% | ~31%+ | $0 S301 |
| Injection Molded Plastics (Ch.39) | 3–6.5% | 25% | ~30–32%+ | $0 S301 |
| Electronics / PCBs (Ch.85) | 0–6% | 25% | ~25–31%+ | $0 S301 |
| Auto Parts (Ch.87) | 2.5% | 25% | ~28%+ | $0 S301 |
Rates based on USTR Section 301 lists and current IEEPA stacking as of Q1 2026. Subscribe for rate-change alerts. Est. total may vary by specific HTS subheading.
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