Vietnam Custom Parts vs Xometry & Fictiv: When Offshore Wins

US instant-quote platforms like Xometry and Fictiv have made ordering custom parts incredibly easy. Upload a CAD file, get a price in seconds, receive parts in days. For prototypes and quick-turn orders, they're excellent.

But for production quantities — 100+ CNC parts, 1,000+ molded or cast parts — these platforms carry a significant cost premium. That's where Vietnam sourcing through a partner like DEWIN delivers 40–60% savings on the same parts, same quality, same certifications.

This guide compares both approaches with real data so you can make an informed decision.

Cost Comparison: Same Parts, Different Prices

We quoted identical parts across Xometry, Fictiv, and our Vietnam factory network in January 2026:

CNC Aluminum Bracket (AL6061-T6, 2 setups, bead blast + anodize)

• Qty 100 — Xometry: $18/part · Fictiv: $20/part · Vietnam (DEWIN): $9/part
• Qty 1,000 — Xometry: $12/part · Fictiv: $14/part · Vietnam (DEWIN): $5/part

Injection Molded Enclosure (ABS+PC)

• Tooling — Xometry: $8,500 · Fictiv: $9,200 · Vietnam (DEWIN): $3,800
• Per-part at 10K — Xometry: $1.20 · Fictiv: $1.35 · Vietnam (DEWIN): $0.55

Die Cast Housing (A380 aluminum)

• Tooling — Xometry: $18,000 · Vietnam (DEWIN): $7,500
• Per-part at 5K — Xometry: $4.80 · Vietnam (DEWIN): $2.20

The pattern is consistent: at production volumes, Vietnam pricing is 40–60% lower than US platform pricing. The gap is largest for tooling-intensive processes (injection molding, die casting) where Vietnam's toolmaking capability is particularly strong.

Why the Price Difference?

The cost gap isn't about quality — it's about economics:

• Labor rates: Skilled CNC operators in Vietnam earn $3–6/hr vs. $25–45/hr in the US. This flows directly into machine hour rates.
• Platform margins: Xometry and Fictiv take 30–50% margin on each order (they're marketplaces). DEWIN charges a sourcing fee of 10–15% on top of factory cost.
• Facility costs: Factory rent in Vietnam's industrial zones runs $3–5/m². US shop space runs $8–15/m².
• Tooling labor: Mold and die making is labor-intensive. A skilled toolmaker in Vietnam earns $800–1,500/month vs. $5,000–8,000/month in the US.

When US Platforms Win

We're honest about when Xometry and Fictiv are the better choice:

• Prototypes (1–20 parts): When you need parts in 3–7 days, domestic production eliminates shipping time. The per-part premium is small at low quantities.
• 3D printing: Vietnam doesn't have competitive SLS, MJF, or DMLS capacity yet. Use Xometry for additive manufacturing.
• ITAR/defense parts: If your parts require US-only manufacturing per contract, offshore isn't an option.
• Emergency orders: Machine broke, need replacement parts by Friday. Pay the premium, get it fast.

When Vietnam Wins

• Production runs (100+ CNC parts, 1,000+ molded parts): Savings of 40–60% justify the 3–4 week lead time.
• Injection mold tooling: Vietnam tooling is 50–60% cheaper than US pricing with comparable quality. Many of our mold makers serve Japanese automotive OEMs.
• Die casting: Vietnam has significant aluminum die casting capacity, especially in the HCMC area. Fictiv doesn't even offer die casting.
• China+1 diversification: If you're moving production out of China to avoid 25% Section 301 tariffs, Vietnam is the most natural alternative.
• Repeat orders: Once tooling and fixtures are established, subsequent orders are faster and cheaper — your factory knows the part.

Quality: The Question Everyone Asks

"Can Vietnam match the quality of US shops?" The short answer: yes, for production-grade work. The longer answer:

• Our CNC partners operate Mazak, Fanuc, Okuma, and Brother machines — the same brands used in US shops.
• ISO 9001 is standard. Many partners also hold IATF 16949 (automotive) or ISO 13485 (medical).
• CMM inspection (Zeiss, Mitutoyo) is available at all our machining partners.
• We provide full FAI reports, material certifications, and dimensional data with every shipment.

The difference is in the system, not the capability. Vietnam factories have the machines and skills. What DEWIN adds is the quality management layer — incoming material verification, in-process monitoring, final inspection, and shipping oversight — that ensures consistency order after order.

Tariff Advantage: Vietnam vs. China

If you're currently sourcing from China, the Vietnam advantage is even larger:

• China: 25% Section 301 tariff on most manufactured goods + base MFN duty of 2.5–5%
• Vietnam: No Section 301 tariff — only standard MFN duty of 2.5–5%
• Net tariff savings: 25% on top of already lower base pricing

For a company spending $500K/year on China-sourced parts, switching to Vietnam saves $125K+ in tariffs alone — before accounting for competitive base pricing.

The Smart Strategy: Use Both

The most cost-effective approach for US OEMs in 2026:

1. Prototyping (1–20 parts): Use Xometry or Fictiv for speed. Get parts in a week.
2. Design validation (20–100 parts): Start first Vietnam order. Use this batch for testing while optimizing DFM.
3. Production (100+ parts): Source from Vietnam through DEWIN. Save 40–60% per order, every order.

This hybrid approach gives you speed when you need it and cost savings when volume justifies it. Several of our clients use exactly this workflow — Xometry for rapid prototyping, DEWIN for everything after design freeze.

Start with a Comparison Quote

Have a part you're currently pricing on Xometry or Fictiv? Send us the same drawings and we'll provide a side-by-side comparison with full landed cost to your US address — including shipping, duty, and inspection.

Get Your Comparison Quote →