Tool-first sourcing guide
Arc Magnets China: Sourcing Checker & Risk Evaluation
Screen China arc magnet supplier fit, tariff exposure, CRMA evidence, and RFQ readiness before you ask factories for a custom quote.
China Sourcing Readiness Checker
Enter a quote-ready project context to generate a supplier tier recommendation, risk score, missing RFQ fields, and next actions.
China Arc Magnet Sourcing Report
The report layer explains why the checker scores supplier quality, tariff exposure, EU evidence readiness, and RFQ completeness as separate decisions.
Key Sourcing Risks and Mitigations
Data and Evidence Sources
| Source | Market Signal | Actionable Use | Limit |
|---|---|---|---|
| IEA Rare Earth Elements - Executive summary Published 2026; reviewed July 24, 2026 | IEA reports 2024 China concentration at about 60% mining, 91% refining, and 94% sintered permanent magnet production for magnet rare earths. | Sets the China-dependency baseline for NdFeB arc magnet sourcing and explains why non-China backup capacity must be qualified deliberately. | Macro market data, not proof that any single factory is qualified. |
| IATF Global Oversight: under-contract certification bodies Reviewed July 24, 2026 | IATF publishes the recognized certification-body status needed to check automotive IATF 16949 claims beyond a supplier brochure. | Turns IATF claims into an evidence gate: verify certificate, site scope, certification body, and expiry before PPAP release. | Certification-body status is necessary but does not replace a site audit or process-capability evidence. |
| Federal Register notice 2024-21217 Published September 18, 2024; reviewed July 24, 2026 | The Section 301 modification path lists permanent magnets in the 8505.11.00 context and applies a 25% additional duty line effective January 1, 2026. | Flags U.S.-bound landed-cost exposure before China-origin permanent magnet RFQs are ranked by FOB price. | Transaction-level HTS classification, origin, exclusions, and duty stacking still require customs-broker review. |
| EUR-Lex: Regulation (EU) 2024/1252 Entered into force May 23, 2024; reviewed July 24, 2026 | The EU Critical Raw Materials Act creates permanent-magnet labelling and product-information duties, including >0.2 kg permanent-magnet scope in Article 29. | For EU projects, the RFQ should collect magnet weight, location, composition, coating, removal, origin, and recovered-content inputs early. | Implementation timing depends on product class and delegated or implementing acts; treat this as a compliance planning trigger. |
| USITC Harmonized Tariff Schedule Reviewed July 24, 2026 | The HTS is the official starting point for checking the base U.S. duty line before Section 301 and logistics costs are added. | Keeps the landed-cost example framed as a planning model, not a binding tariff opinion. | The page cannot classify a specific product without drawings, composition, origin, and entry details. |
Impact Example: U.S. Landed Cost vs FOB Price
| Cost Component | Example Rate or Value |
|---|---|
| Base magnet price, FOB China | $100.00 / kg |
| Base duty placeholder, verify in HTS | 2.1% (+$2.10) |
| Section 301 additional duty path | 25.0% (+$25.00) |
| Freight, insurance, brokerage estimate | +$8.00 to $12.00 / kg |
| Illustrative landed cost | $135.10 to $139.10 / kg |
Example only. The page does not classify a product or provide customs advice; confirm HTS, origin, exclusions, and rates before purchase orders.
RFQ readiness
Minimum RFQ Package for China Arc Magnet Suppliers
Use the checker result to decide what evidence belongs in the first supplier email, not after samples have already arrived.
Request China Arc Magnet Review| RFQ Block | What to Include |
|---|---|
| Drawing package | Arc angle, inner and outer radius, chord, thickness, tolerances, magnetization direction, coating, and surface defects. |
| Magnetic and thermal spec | Grade, Br/Hcj/BHmax targets, operating temperature, demagnetization margin, and required test method. |
| Quality evidence | IATF or ISO scope, PPAP level, control plan, inspection records, plating process control, and traceability lot fields. |
| Trade and compliance data | Destination, Incoterms, HTS assumption, origin, magnet weight, CRMA data fields, packaging, and magnetized-shipping plan. |
| Sourcing Route | Best Fit | Evidence Needed | Watchout | Next Gate |
|---|---|---|---|---|
| Direct China automotive tier | EV traction motors, high-temp NdFeB, pilot-to-SOP programs | IATF scope, PPAP Level 3, process capability, coating controls, GBD capability, export history | Higher MOQ and audit cost, but lowest qualification ambiguity | Release audit and sample control plan |
| China factory + regional assembly | U.S. or EU programs needing cost and customs resilience | Origin analysis, magnetization or assembly split, Incoterms, local value-add proof | Do not assume tariff treatment changes without broker review | Landed-cost and origin memo |
| China prototype supplier | Fast geometry trials, small batches, early motor validation | Drawing review, coating sample report, BH curve, dimensional Cpk for critical arcs | Prototype success may not transfer to SOP capability | Pilot supplier requalification |
| Trading-platform shortcut | Catalog ferrite or low-risk non-automotive replacement parts | Stock dimensions, magnetization direction, coating, batch certificate, return terms | Weak IP, weak traceability, and inconsistent factory identity | Use only after risk acceptance |
Known limits
- This checker is a pre-RFQ screening aid, not a customs classification, legal opinion, or supplier audit.
- Duty examples use public tariff structures reviewed on July 24, 2026; broker review is required before purchase orders.
- Supply concentration figures describe the market, not the capability of a named Chinese factory.
- Final material choice still requires BH curve, thermal aging, corrosion, adhesive, and rotor retention validation.
Frequently Asked Questions
Practical questions that decide whether China sourcing is a fit, a fallback, or a risk to hold.