The headline math
For a typical IoT device shipping from China to the US, the landed cost in 2026 looks like this:
| Component | Cost (per unit) |
|---|---|
| FOB Shenzhen factory price | $8.50 |
| Ocean freight (Shenzhen → LA) | $0.85 |
| Section 301 tariff (HTS 8471.41, List 4A, 7.5%) | $0.70 |
| MPF (Merchandise Processing Fee) | $0.05 |
| Customs broker / ISF filing | $0.30 |
| Duty drawback if applicable | -$0.20 |
| Landed cost | $10.20 |
For the same product made in Thailand:
| Component | Cost (per unit) |
|---|---|
| FOB Chonburi factory price | $9.20 |
| Air freight (BKK → LAX, 5 days) | $2.40 |
| MFN tariff (HTS 8471.41, 0%) | $0.00 |
| MPF | $0.05 |
| Customs broker | $0.30 |
| Landed cost | $11.95 |
China is $1.75 cheaper per unit. But that math assumes the product sits on a boat for 28 days, ties up $10.20 × your order size in working capital, and arrives just-in-time for a holiday rush you can no longer meet.
What's actually changed in 2026
1. Section 301 tariffs locked in, not going away
The Biden administration kept the Trump-era Section 301 tariffs on China-origin goods at 7.5-25% (List 4A through List 3). The 2024 election didn't move them. China-origin electronics under HTS 8471-8542 still face 7.5% baseline. No industry-wide exclusion in sight through 2027.
2. Ocean freight is more expensive and less reliable
2024 Red Sea disruptions added 14 days to Europe routes. 2025 US port labor disputes caused spot rate spikes of 40%. Lead time variance is now a planning input, not a noise term.
3. China+1 isn't a fad, it's a board-level mandate
Apple, Google, Microsoft, Amazon, and most US hardware companies now require manufacturing redundancy outside China for compliance and resilience. Suppliers in Thailand, Vietnam, Mexico, and India are seeing 30-50% YoY order growth in 2024-2025.
4. Thailand's MFN advantage compounds over time
Thailand's 0% MFN tariff on electronics isn't new. What's new is the 7.5-25% Section 301 baseline. The spread widens, making China+1 mathematically defensible even at higher per-unit cost.
When China still wins
We won't pretend China+1 is right for everyone. China still wins when:
- Volume > 100k units/year per SKU: the per-unit gap of $1.50-3.00 overwhelms the tariff savings
- Component ecosystem is China-specific: some specialty passive components, optoelectronics, and lithium cells are still China-dominant
- Speed-to-market on consumer holiday cycles: if you must ship Sep 1 for Black Friday, China at 28 days is risky but feasible; Thailand at 5 days is safer
- Mature, stable designs: if you don't expect design changes for 12+ months, China's optimization premium is worth it
When Thailand wins
Thailand wins for the bulk of new hardware projects in 2026:
- Volume 500-50,000 units: the sweet spot for low-MOQ EMS like SkyTech
- Apple ecosystem products: MFi licensing and Find My compliance require precise manufacturing; Thailand's MFi-licensed EMS is faster to ramp
- AI/IoT hardware with firmware iteration: 5-day air freight means you can ship 5 firmware versions before a single sea shipment would arrive
- US/EU tariff exposure > 5%: anyone shipping consumer electronics, smart home, or industrial IoT to US
- EV / battery products: lithium shipping regulations (UN38.3) add 4-6 weeks of inspection when shipped by sea from China; air freight from Thailand is the cleanest path
What to ask your EMS partner
If you're evaluating a China+1 move to Thailand, ask these questions:
- "What's your MFi license number?" — should be on the Apple MFi licensee list. If they don't have one, they can't make Apple Find My products.
- "What SMT lines do you run?" — Yamaha YSM10/YSM20, Panasonic NPM, or ASM AD102 are production-grade. Anything else for prototype work only.
- "Can you show me a live video of your production floor?" — if they say no, walk away. Live production monitoring is the standard for any 2026 EMS.
- "What's your MOQ for first article?" — should be 50-100 units for a competent low-MOQ shop. If they say 1000, you're talking to a high-volume shop that won't prioritize you.
- "Who handles DFM review?" — if you do your own DFM, fine. But for a low-MOQ shop, free DFM should be table stakes.
- "What's your lead time from PO to first article?" — should be 10-15 days, not 30-45.
Bottom line
For US-bound electronics in 2026:
- Below 500 units / year: Thailand. Per-unit premium is worth the supply chain flexibility.
- 500-50,000 units / year: Thailand. China's 7.5-25% tariff + 28-day shipping makes the math impossible to ignore.
- 50,000+ units / year: hybrid. Use China for mature SKUs, Thailand for new launches and tariff-exposed categories.