Importer of record · Dual-origin power electronics

Power supplies with the origin you choose.

One supplier, production in two countries, identical drawings and test reports. We take title as importer of record and deliver duty paid. Today, Vietnam origin saves 25 points against China — the stack below is verified monthly.

Request a quoteHow origin works →

The same part, built in either country, under one management.

One drawing set, one test procedure, one engineering team. When the tariff schedule moves, your volume moves — no new vendor, no new UL file, nothing to explain to your customer.

Jiangsu, ChinaSINCE 2005

Origin CN

Winding, SMT, final assembly, and test under one roof. Offered openly, entered honestly.

Effective duty today  35.0%

Vinh Phuc, VietnamSINCE 2018

Origin VN

The same line, the same reports. Today's better answer by 25 points.

Effective duty today  10.0%

See what origin is worth.

Effective duty on switching power supplies, HTS 8504.40.85, by country of origin. Both origins are quoted at these rates; the election is a line on your purchase order.

China0.0%
Vietnam0.0%
VERIFIED 2026-07-01 · HTSUS REV. 14 · UPDATED MONTHLYDelta  0.0 pts

Full duty stack by HTS code →

Three families. One line.

Standard SKUs and custom builds, origin documented per unit.

[ adapter shot ]

HTS 8504.40.85

AC/DC adapters

5–65 W · UL 62368-1 · DoE VI

[ charger shot ]

HTS 8504.40.85

GaN chargers

30–140 W · PD 3.1 · 1–4 ports

[ cable shot ]

HTS 8544.42.90

USB-C cables

60–240 W · USB-IF · UL AWM

Specifications, tooling, and private label →

Every entry, documented.

The file that ships with every order — not marketing, the paperwork itself.

CBP Form 7501Entry summary as filed — HTS classification, declared origin, duty paid. Not estimated.
Certificate of originPer shipment — VCCI for Vietnam entries, CCPIT for China — referencing invoice and bill of lading.
Mill certificatesFor magnetics, enclosures, and copper — the inputs a transshipper cannot paper over.
Test reportsUL 62368-1 file number, DoE Level VI efficiency data, FCC Part 15 — verifiable at the source.

A person answers. Usually the principal.

Quotes within one business day for standard SKUs; three for custom. If we cannot supply it, we say so on the first call.

Request a quote