Guangzhou (Nansha)
Pearl River Delta battery cargo through Nansha, where a September 2026 agreement lets Dongguan-inspected containers load without a second MSA check, and where typhoon season runs June to October.
North America · sea freight from Guangzhou
Shipping from Guangzhou to Camden
Guangzhou to Camden
South China Sea · Taiwan Strait · North Pacific · Eastern Pacific · Panama Canal · Caribbean Sea · Windward Passage · US East Coast
- GuangzhouChina origin
- South China Sea
- Taiwan Strait
- North Pacific
- Eastern Pacific
- Panama Canal
- Caribbean Sea
- Windward Passage
- US East Coast
- CamdenUnited States
Lithium batteries for Camden go out of Nansha, at the mouth of the Pearl River. On the way they face a Panama Canal corridor whose draft limit depends on Gatun Lake, and they arrive at the port of Camden.
The US side starts with two filings due before loading and ends with a road leg that must carry a live emergency number. This page sets out 6 points specific to this route, how Anxin handles each one and which documents to prepare.
What we need to start
- Typhoon season Jun–Oct
- Nansha export
- ISF filer
- Supply-chain tracing file
- HTS code 8507.60
Route profile
The Guangzhou → Camden route in brief
Asia – Americas via the Panama Canal
A Pacific crossing, a Panama Canal transit that depends on lake levels, and a Caribbean passage in hurricane season.
Where this route gets difficult
6 pain points from Guangzhou to Camden
Listed from loading in Guangzhou to import into United States, each with what we do about it.
- Origin port
Packaging certificate data now shared in Dongguan
Dongguan Customs and Dongguan MSA began sharing dangerous-goods packaging certificate data in September 2026, which they called a first in China, and agreed joint action on concealed and false declarations; Huangpu Customs runs a joint 'lithium batteries going overseas' service against misdeclaration as well. A mismatch between packaging certificate and MSA filing is visible to both.
What Anxin does: We check that the UN number, packaging code and quantities on the packaging certificate are exactly those on the MSA cargo report before either is submitted.
- Origin port
Pearl River typhoon season and rolled boxes
The tropical cyclone season in the region runs from June to October according to the Hong Kong Observatory, with July to September the busiest months. At Nansha, on the Pearl River mouth, a gate closure or a vessel change sends the DG filings and the packing certificate after the box to its new sailing.
What Anxin does: From June to October we leave slack between stuffing and the DG cut-off at Nansha and refile quickly if the vessel changes.
- Sea corridor
The Pacific leg before Panama in winter
The first half of the voyage crosses the North Pacific, where NOAA has recorded hurricane-force mid-latitude storms from October to April, most often in December.
What Anxin does: For October–April sailings we check blocking and bracing on stuffing photos before sealing.
- Import country
The FMC's 30-day rules on demurrage and detention bills
If a battery container waits at Camden, the demurrage or detention invoice has to arrive within 30 days and carry accurate and sufficient information, or the charge is not owed (46 CFR part 541). The billed party then has at least 30 days to dispute it; in 2025 the D.C. Circuit struck down only the rule on who may be invoiced.
What Anxin does: We keep the dates of discharge, availability and any DG hold for each container, so the importer can check invoices against them and dispute charges inside the FMC time limits.
- Import country
SP188 packages need an extra US marking
Small cells and batteries shipped under IMDG special provision 188 do not need a dangerous goods declaration at sea, but 49 CFR 171.25(b)(3) adds a US condition: each package of UN3480 or UN3090 must carry the 'FORBIDDEN FOR TRANSPORT ABOARD PASSENGER AIRCRAFT' marking or a Cargo Aircraft Only label, and so must packages of batteries with or in equipment above 5 kg net. Cartons printed for other markets often lack it.
What Anxin does: When the shipper declares SP188 for a Camden booking, we check the carton photos for the US marking or CAO label before stuffing, not after discharge.
- Import country
CPSC eFiling for certified consumer products
Consumer products that need a CPSC certificate have had their certificate data filed electronically at entry since 8 July 2026 (goods from a Foreign Trade Zone from 8 January 2027). A battery-powered product falls under it through the product's own rules, which the importer should settle before the goods reach Camden.
What Anxin does: We ask whether the goods are consumer products that need a CPSC certificate and, if so, who files it, so that the question is settled before the goods arrive.
Documents & compliance
Documents to line up for Guangzhou → Camden
Anxin reviews documents supplied by the shipper, manufacturer and importer; it does not issue test reports, safety data sheets or import certificates.
In Guangzhou, before the box is loaded
- Packaging certificate and MSA cargo report cross-checked line by line (UN number, packaging code, quantity)
- 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
For the carrier and the voyage
- Canal routing and any canal-related surcharge confirmed for the booked vessel
- 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 the importer in United States
- CPSC certificate data and eFiling arrangement, if the product is subject to certification
- ISF filer named; stuffing location and consolidator sent right after packing
- HTSUS classification from the broker (8507.60.0010 vs .0020 decides the Section 301 line)
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 Guangzhou 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 |
|---|---|---|---|
| Mismatch between packaging certificate and MSA filing flagged by shared data | Dongguan / Nansha | Line-by-line check before submission | Anxin with the declarant |
| Typhoon closure after filings are made | Nansha, Jun–Oct | Slack in stuffing date; prompt refiling | Anxin with the declarant |
| 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
Common questions on the Guangzhou → Camden route
Yes, if the container moves on a public highway. The IMDG waiver in 49 CFR 171.25(d)(2) only covers cargo that stays on the ship or moves between vessels; otherwise 49 CFR 172.604 requires a monitored number answered by someone with the emergency information. Goods shipped as 'Battery powered equipment' are exempt.
1 June to 30 November, peaking around 10 September, according to the US National Hurricane Center.
Nansha MSA has recommended around 25% for ESS batteries and measures against accidental activation. Treat it as the local authority's recommendation; the carrier's own acceptance conditions also apply.
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)
- 49 CFR 171.25 – Additional requirements for the use of the IMDG Code (eCFR / PHMSA)
- 49 CFR 172.604: Emergency response telephone number (eCFR / PHMSA)
- Update: Certificates of Compliance and eFiling (U.S. Consumer Product Safety Commission)
- Advisory to Shipping A-33-2026: Postponement of maximum authorized draft adjustment in the Neopanamax locks (Panama Canal Authority)
- Tropical Cyclone Climatology (NOAA National Hurricane Center)
- Hurricane force extratropical cyclones observed using QuikSCAT (Mariners Weather Log 49-1) (NOAA Ocean Prediction Center)
- Nansha MSA meeting on the safe carriage of energy-storage batteries (Guangzhou Nansha District Government)
- Forecasting yearly number of tropical cyclones affecting Hong Kong (tropical cyclone season June–October, most active July–September) (Hong Kong Observatory)
- 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 Guangzhou
- 5ImportClearance at Camden
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After you send it
We check carrier acceptance for Guangzhou → Camden before any booking, and ask for missing battery documents first.
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