Shenzhen (Yantian / Shekou)
Pearl River Delta battery cargo, often stuffed at factories in Dongguan or Huizhou, exported through Yantian or Shekou, with a typhoon season from June to October.
Europe · sea freight from Shenzhen
Shenzhen to Sines
South China Sea · Malacca Strait · Indian Ocean · Bab-el-Mandeb · Suez Canal · Ionian Sea · Sicily Channel · Strait of Gibraltar
Lithium batteries for Sines go from factories around the Pearl River Delta through Yantian or Shekou. On the way they face a Suez corridor that Mediterranean services are using again more than any other Asia–Europe lane, and they arrive at the port of Sines.
Portugal adds its SILiAmb register to the EU Battery Regulation duties. 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
Route profile
Pearl River Delta battery cargo, often stuffed at factories in Dongguan or Huizhou, exported through Yantian or Shekou, with a typhoon season from June to October.
Mediterranean services are the ones most likely to use Suez again (57% in September 2026), which puts the cargo back through Bab el-Mandeb, rated a SUBSTANTIAL threat.


Where this route gets difficult
They run from the Shenzhen terminal through the voyage to Sines and the Portugal import file.
The Hong Kong Observatory puts the regional tropical cyclone season from June to October, busiest July to September. DG containers need their MSA filings approved and a signed packing certificate before loading, so a closed gate or a rolled vessel in typhoon weeks can push the whole document chain to a new sailing.
What Anxin does: From June to October we build slack into the stuffing date, confirm the DG cut-off with the carrier the week before loading, and resubmit filings promptly if the vessel changes.
Sea-Intelligence data for September 2026 show 57% of Asia–Mediterranean services routed via the Red Sea, against 27% for North Europe. For Sines the Suez routing is therefore the likely one, and it runs through Bab el-Mandeb, which the JMIC rated SUBSTANTIAL on 24 September 2026: the Houthis describe their blockade as selective, and they now hold Perim Island in the channel.
What Anxin does: We ask the carrier which routing its service to Sines uses and name it on the quote, together with any war-risk or emergency surcharge.
A battery entering Portugal has to identify its importer: name, registered trade name or trade mark, postal address and a contact point belong on the battery itself, or on the packaging or accompanying document when the battery is too small. That text is fixed at the factory, not at Sines.
What Anxin does: We pass the Portugal importer's name and address block to the manufacturer before the goods are packed in China and check carton or battery photos for it before loading.
Stationary battery energy storage systems placed on the EU market since 18 August 2024 must be safe in normal operation, with technical documentation showing tests against the Annex V parameters, including thermal shock, short-circuit protection, over-discharge and thermal propagation. ESS buyers in Portugal increasingly ask for that file before delivery.
What Anxin does: For ESS cabinets and racks bound for Portugal we ask the manufacturer to confirm that the Annex V test documentation exists before booking and note the answer in the shipment file.
Importers placing batteries on the market in Portugal register with the Portuguese Environment Agency (APA) on SILiAmb and submit an annual declaration by 31 March that includes batteries built into other products. They meet their responsibility through a licensed management entity such as Electrão, or through an individual system authorised by APA.
What Anxin does: We ask the Portuguese importer for its APA registration and management entity before booking, and list battery weights separately so its declaration is easy.

Documents & compliance
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.

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 Shenzhen export filings, the carrier booking and the Portugal 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
| Risk | Where | Mitigation | Who acts |
|---|---|---|---|
| Typhoon closes terminals or delays the vessel after filings are made | Yantian / Shekou, Jun–Oct | Slack in stuffing date; refile quickly on vessel change | Anxin with the declarant |
| Security incident near Bab el-Mandeb changes the routing or adds surcharges | Southern Red Sea | Routing and surcharges stated in writing before booking | Carrier, checked by Anxin |
| Importer not registered on SILiAmb | Importer in Portugal | Registration confirmed before booking | Importer |
| Importer details missing from battery and packaging | Importer in Portugal | Address block sent to the factory before packing | Manufacturer / importer |
Questions
It registers with APA on the SILiAmb platform, files an annual declaration by 31 March, and joins a licensed management entity or runs an APA-authorised individual system.
Often: in September 2026, 57% of Asia–Mediterranean services used the Red Sea routing. Bab el-Mandeb was rated a SUBSTANTIAL threat by the JMIC on 24 September 2026, so we confirm each service's routing before booking.
Since September 2026 Dongguan Customs and Dongguan MSA share dangerous-goods packaging certificate data and act jointly against false declarations, so the packaging certificate and the MSA filing should match exactly.
References
Next step
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We check carrier acceptance for Shenzhen → Sines before any booking, and ask for missing battery documents first.
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Share the cargo facts; we review the route in writing.
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