Xiamen (Haicang / Songyu)
Fujian's battery gateway, handling more than 90% of the province's lithium battery exports, with 10-minute online packaging appraisal for compliant products and the Taiwan Strait's winter monsoon on the doorstep.
North America · sea freight from Xiamen
Xiamen to Bangor
Taiwan Strait · East China Sea · North Pacific · Eastern Pacific · Panama Canal · Caribbean Sea · Windward Passage · US East Coast
This route runs through Xiamen, the port for more than 90% of Fujian's lithium battery exports, then follows a Pacific crossing and a Panama Canal transit; at the far end is the port of Bangor.
Bangor means US customs filings that are due while the container is still in Xiamen, and a supply chain CBP may ask to see. Below are 6 route-specific points to plan for, what we do about each, and the documents to have ready before booking.
What we need to start
Route profile
Fujian's battery gateway, handling more than 90% of the province's lithium battery exports, with 10-minute online packaging appraisal for compliant products and the Taiwan Strait's winter monsoon on the doorstep.
A Pacific crossing, a Panama Canal transit that depends on lake levels, and a Caribbean passage in hurricane season.


Where this route gets difficult
In the order the cargo meets them: at the loading port, at sea, at Bangor and at customs in United States.
For large battery consignments Xiamen MSA offers pre-review of key DG documents, a pre-loading meeting where ship, cargo owner, terminal and agent agree deck stowage and emergency measures, and a 'one ship, one plan' checklist from gate-in to departure. In June 2026 it reported 104 energy-storage containers of 36 tonnes each loaded on a multipurpose ship for Houston.
What Anxin does: We send the key documents for pre-review before the formal filing and bring the stowage and emergency details the meeting will ask for.
Xiamen's energy-storage transport guide 2.0 (August 2026) notes that some ESS containers sail on multipurpose ships and calls for a pre-voyage meeting with the terminal and lashing contractors. It names the terminals qualified for class 9: Xiamen Hyundai terminal, Yuanhai Tongda, and Haixiang berths 7–8.
What Anxin does: For ESS units we confirm early whether the carrier offers container-ship or multipurpose carriage, which qualified terminal is used, and who attends the pre-voyage meeting.
After the canal, ships to Bangor cross the Caribbean, where the Atlantic hurricane season lasts from 1 June to 30 November and peaks around 10 September; an average year brings 14 named storms and 7 hurricanes. Ports close ahead of a storm and vessels wait or divert.
What Anxin does: For August–October arrivals we build slack into delivery plans and pass the carrier's revised arrival straight to your consignee.
CBP must have the Importer Security Filing 24 hours before the container is laden in Xiamen, and its liquidated damages guidelines provide for a claim for each late, inaccurate or incomplete filing. The stuffing location and consolidator can only be filled in once the container is packed, which leaves a short window.
What Anxin does: We send the importer's ISF filer the stuffing location, consolidator and manufacturer details as soon as the container is packed in Xiamen, ahead of the vessel's loading window.
Under 19 CFR 4.7 the carrier's cargo declaration must be in CBP's Automated Manifest System 24 hours before loading abroad. Without it, or with inaccurate data, the permit to unlade the container at Bangor can be delayed or refused.
What Anxin does: We give the carrier or NVOCC the final cargo description, HS code, UN number and package count before the documentation cut-off in Xiamen, so the AMS filing and the DG manifest say the same thing.
Packages of UN3480 or UN3090 moving under IMDG special provision 188 skip the DG declaration at sea, yet 49 CFR 171.25(b)(3) still wants the 'FORBIDDEN FOR TRANSPORT ABOARD PASSENGER AIRCRAFT' mark or a Cargo Aircraft Only label on each one, and on packages of batteries with or in equipment over 5 kg net.
What Anxin does: When the shipper declares SP188 for a Bangor booking, we check the carton photos for the US marking or CAO label before stuffing, not after discharge.

Documents & compliance
Anxin reviews documents supplied by the shipper, manufacturer and importer; it does not issue test reports, safety data sheets or import certificates.

Most delays on this route start with a document that exists but does not match: a UN number, a model name or a package count that differs between the Xiamen filings, the carrier booking and the United States import file. We check the three against each other before the booking is confirmed.
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
| Risk | Where | Mitigation | Who acts |
|---|---|---|---|
| ESS unit arrives at a terminal without class 9 qualification | Xiamen port | Qualified terminal confirmed at booking | Anxin with the carrier |
| Hurricane closes ports or diverts the vessel | Caribbean / Gulf, Jun–Nov | Slack in delivery plan | Carrier / consignee |
| Late or inaccurate ISF | Before loading abroad | Stuffing and consolidator data sent to the ISF filer immediately after packing | Anxin with the ISF filer |
| SP188 cartons without the US marking | Discharge and onward trucking | Marking or CAO label checked on carton photos before stuffing | Shipper, checked by Anxin |
Questions
Yes. Under 49 CFR 171.25(b)(3), SP188 packages of UN3480 or UN3090 need the 'FORBIDDEN FOR TRANSPORT ABOARD PASSENGER AIRCRAFT' marking or a Cargo Aircraft Only label, and so do packages of batteries packed with or contained in equipment above 5 kg net. We check for it on carton photos before stuffing.
It can. In September 2026 the Panama Canal Authority postponed a planned draft cut in the Neopanamax locks because of Gatun Lake levels (advisory A-33-2026). We check the advisory in force when quoting.
Yes. Xiamen MSA reported 104 ESS containers of 36 tonnes each loaded for Houston in June 2026. Xiamen's ESS guide 2.0 requires a pre-voyage meeting and use of a class 9 qualified terminal.
References
Next step
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We check carrier acceptance for Xiamen → Bangor before any booking, and ask for missing battery documents first.
All destinations from Xiamen · United States ports

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