Transpacific (North Pacific)
A great-circle route across the North Pacific, exposed to hurricane-force winter storms from October to April.
North America · sea freight from Ningbo
Shipping from Ningbo to Pittsburg
Ningbo to Pittsburg
East China Sea · Korea Strait · Sea of Japan · Tsugaru Strait · North Pacific
- NingboChina origin
- East China Sea
- Korea Strait
- Sea of Japan
- Tsugaru Strait
- North Pacific
- PittsburgUnited States
This route runs through Ningbo's Beilun or Meishan terminals under Zhejiang MSA's 2026 battery guide, then follows a great-circle crossing of the North Pacific; at the far end is the port of Pittsburg.
Pittsburg means US customs filings that are due while the container is still in Ningbo, and a supply chain CBP may ask to see. Below are 5 route-specific points to plan for, what we do about each, and the documents to have ready before booking.
What we need to start
- Zhejiang MSA battery guide 2026
- Beilun / Meishan export
- Supply-chain tracing file
- HTS code 8507.60
- ISF filer
Route profile
How Ningbo → Pittsburg differs from other lanes
United States
US entry hinges on filings made in China (ISF and AMS), a traceable lithium supply chain and a road leg that is regulated as a hazmat move.
Where this route gets difficult
5 pain points from Ningbo to Pittsburg
In the order the cargo meets them: at the loading port, at sea, at Pittsburg and at customs in United States.
- Origin port
Feeder from a Zhejiang river port: one cargo report, if done right
Zhejiang MSA runs a 'one-document' rule for battery water-to-water transhipment: if the cargo report is made at the port of loading, only a ship report is needed at the transhipment port. Cargo barged into Ningbo can therefore avoid a second cargo report, provided the first one was filed correctly.
What Anxin does: When cargo starts on a feeder or barge, we make sure the cargo report is filed at the first port of loading and carries the ocean routing, so no second cargo report is needed at Ningbo.
- Sea corridor
Hurricane-force winter storms, October to April
NOAA's Ocean Prediction Center has recorded hurricane-force winds (64 knots or more) in mid-latitude North Pacific storms in every month from October to April, most often in December, with 15 to 23 such storms a season in its 2001–2004 study. These are not tropical systems, so they arrive outside typhoon season.
What Anxin does: For October–April sailings we check blocking and bracing on stuffing photos before sealing and confirm the full DG data are on the manifest.
- Import country
Unentered battery containers go to General Order after 15 days
A container landed at Pittsburg without a release permit may stay at the terminal only until the 15th calendar day. The carrier must then notify CBP and a bonded general order warehouse, which moves and stores the goods at the consignee's risk and expense (19 CFR 4.37). Not every general order warehouse can take Class 9 battery cargo, and where specialized storage is missing the port director decides where it goes.
What Anxin does: We check with the importer's broker that the entry can be filed before arrival at Pittsburg, and chase any missing invoice or HTS detail while the ship is still at sea.
- Import country
UFLPA: lithium became a high-priority sector in August 2025
DHS added lithium to the Uyghur Forced Labor Prevention Act high-priority sectors in August 2025. By then CBP had stopped more than 16,700 shipments for UFLPA examination. For battery importers the practical effect is that CBP can ask where cells, cathode and lithium compounds came from, and a shipment waits while the importer answers.
What Anxin does: We tell the importer at quotation stage that supply-chain tracing may be requested, and keep manufacturer names and addresses consistent across invoice, packing list and ISF so the paper trail does not contradict itself.
- Import country
E-bike batteries for California need an accredited test
Since 1 January 2026 California SB 1271 bars distributing or selling an e-bike, powered mobility device or its storage battery unless the battery has been tested by an accredited laboratory to a standard referenced in UL 2849 or EN 15194, and the laboratory's logo and the test standard are displayed. Importers must hand over the test report on request.
What Anxin does: For e-mobility batteries arriving at Pittsburg for the California market, we ask for the accredited test report and label photos before booking.
Documents & compliance
What to have ready: Ningbo to Pittsburg
Test reports, safety data sheets and import certificates come from the shipper, factory and importer, not from Anxin; our part is to review them before booking.
Before loading in Ningbo
- Customs packaging use-appraisal result for the dangerous goods packaging (with the maker's performance appraisal)
- Container packing certificate signed by a certified packing inspector after supervised stuffing
- Transport-condition classification report where applicable
- Load plan showing even weight distribution (no more than 60% of the cargo weight in either half of the container length)
- 'Made in China' marking on articles or containers checked on photos
Carrier and voyage
- Stuffing photos before, during and after packing, checked for blocking and bracing
- UN 38.3 test summary for every cell and battery type
- Dangerous goods declaration with UN number (3480 / 3481 / 3090 / 3091), proper shipping name and packing instruction (P903, or P908/P911 for damaged)
For import into United States
- Supply-chain tracing file for cells and lithium inputs, in case of a UFLPA request
- Importer of record and the licensed customs broker who will file the entry
- ISF filer named; stuffing location and consolidator sent right after packing
Before you book
One consistent file
A document that is present but inconsistent holds a booking as surely as a missing one: the UN number, model name or carton count reads differently in the Ningbo export filings, the carrier booking and the United States import papers. We compare all three before confirming space.
Carriers we book with
Our booking panel; availability on this lane and acceptance of the declared UN numbers are confirmed for each booking. It does not mean that a listed carrier runs a direct service on this route. Carrier choice depends on the trade lane, cargo classification and each carrier's dangerous-goods acceptance at booking. The final carrier is confirmed on the booking.
Risk & mitigation
Risks on this route and who deals with them
| Risk | Where | Mitigation | Who acts |
|---|---|---|---|
| Heavy-weather damage in a winter storm | North Pacific, Oct–Apr | CINS stuffing checks | Packing site, checked by Anxin |
| UFLPA detention pending supply-chain evidence | CBP at entry | Importer prepares tracing documents before shipping; consistent manufacturer data on all documents | Importer |
Questions
Ningbo → Pittsburg: questions we are asked
For lithium-ion batteries classified in HTSUS 8507.60.0020 and entered from 1 January 2026, USTR set the Section 301 additional duty at 25%; EV traction batteries in 8507.60.0010 have been at 25% since 2024. Other duties can apply on top. The importer's customs broker confirms the classification and total duty; we make sure the invoice gives the broker enough detail to do so.
Weather is the main risk on this crossing: NOAA recorded hurricane-force North Pacific storms from October to April, most often in December. We tighten the packing checks for those sailings.
Yes. Zhejiang MSA's 2026 guide removed it from the MSA cargo-report stage, but it still has to go to the carrier, which must refuse batteries that do not meet JT/T 1543-2025.
References
Official sources for this page
- 19 CFR 134.11: Country of origin marking required (Legal Information Institute (e-CFR text))
- 19 CFR 149.2 – Importer security filing: requirement and time of transmission (eCFR / CBP)
- Section 301 Modifications Determination (Federal Register notice, Sept 2024) (Office of the U.S. Trade Representative)
- DHS designates steel, copper, lithium, caustic soda and red dates as UFLPA high-priority sectors (19 Aug 2025) (U.S. Department of Homeland Security)
- Hurricane force extratropical cyclones observed using QuikSCAT (Mariners Weather Log 49-1) (NOAA Ocean Prediction Center)
- Battery products waterway transport safety guide (Chinese), January 2026 (Zhejiang Maritime Safety Administration)
- Export dangerous goods packaging inspection: service guide (Chinese) (General Administration of Customs of China (Lanzhou Customs service guide))
Next step
From enquiry to import
- 1EnquiryCargo, origin, destination
- 2Documents checkUN 38.3, SDS, packing
- 3BookingAfter carrier acceptance
- 4HandoverAt Ningbo
- 5ImportClearance at Pittsburg
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After you send it
We check carrier acceptance for Ningbo → Pittsburg before any booking, and ask for missing battery documents first.
All destinations from Ningbo · United States ports
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