Asia – Baltic via the Danish straits
The Baltic is reached only through the Danish straits, where deep-draught ships are advised to take pilots, and its northern ports set ice-class restrictions every winter.
Europe · sea freight from Shanghai
Shanghai to Helsinki
East China Sea · Malacca Strait · Indian Ocean · Bab-el-Mandeb · Suez Canal · Strait of Gibraltar · English Channel · Danish Straits
Lithium batteries for Helsinki go from the Yangtze River Delta via Shanghai's Yangshan and Waigaoqiao terminals. On the way they face a long Europe voyage extended through the Danish straits into the Baltic, and they arrive at the port of Helsinki.
Finland keeps its battery producers in a national register at the Finnish Supervisory Agency. 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
The Baltic is reached only through the Danish straits, where deep-draught ships are advised to take pilots, and its northern ports set ice-class restrictions every winter.
Registration in the Finnish Supervisory Agency's producer register, a Finnish authorised representative for distance sellers, and EU importer duties such as CE marking and the importer's details on the battery.


Where this route gets difficult
Listed from loading in Shanghai to import into Finland, each with what we do about it.
Shanghai MSA's Notice No. 4 of 2024 lets the shipper use either an inspector-signed packing certificate or a packing declaration from the stuffing company, but the responsibility stays with the shipper: UN-tested batteries, protected against damage, short circuit and accidental activation. MSA spot-checks during and after the process and can ask for proof.
What Anxin does: We keep a file per container (UN38.3 summary, SDS, packing photos, terminal protection details) so that proof can be produced the same day if Shanghai MSA asks for it after sailing.
Every winter Finland's Transport Infrastructure Agency sets traffic restrictions for its ports: only ships of a stated ice class and deadweight get icebreaker assistance. Exemption requests must be in at least three working days before arrival, and the restrictions for the Baltic are published on baltice.org. A feeder without the right ice class may not be allowed to call at Helsinki in the restriction period.
What Anxin does: For winter shipments we check the restrictions in force on baltice.org for Helsinki and ask the carrier to confirm that the final feeder has the required ice class before we book.
The importer in Finland carries the check: CE marking on the battery and an EU declaration of conformity, translated into the language Finland asks for, have both been required since 18 August 2024 for batteries entering the EU market.
What Anxin does: We ask the manufacturer in China for the declaration of conformity and a photo of the CE marking on the battery or its packaging before loading, and pass them to the Finland importer. We check that the documents exist and match the goods; we do not assess conformity.
Sea cargo for the EU needs a complete Entry Summary Declaration under ICS2 Release 3, and for deep-sea containers it is due 24 hours before loading at the departure port. Carriers apply 'no manifest, no load', and a filing without a valid EORI number is rejected, so a data gap in Shanghai leaves the box on the quay.
What Anxin does: We collect the consignee's EORI number, an HS-level goods description and the house-bill parties at booking, and make sure the party filing the ENS has them before the Shanghai cut-off.
Road delivery from Helsinki is an ADR movement, because the EU applies ADR to domestic journeys through Directive 2008/68/EC. For UN 3480 that means class 9, transport category 2 and tunnel code (E), which restricts the route through category E tunnels; batteries found damaged at unloading move to special provision 376 packing (P908 or P911).
What Anxin does: We give the Finland haulier the same UN number, class and package details that appear on the sea dangerous goods declaration, so the ADR transport document matches the container paperwork from Shanghai.

Documents & compliance
These documents come from the shipper, the manufacturer and the importer. Anxin checks them against each other; it does not issue test reports, safety data sheets or import certificates.

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 Shanghai export filings, the carrier booking and the Finland 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 |
|---|---|---|---|
| Post-event spot check finds missing proof | Shanghai MSA | Evidence file kept per container | Shipper with Anxin |
| Feeder lacks the ice class required under winter restrictions | Northern Baltic, winter | Ice class confirmed at booking | Carrier, checked by Anxin |
| Declaration of conformity missing or not in the required language | Importer in Finland | Declaration and CE photo collected before loading | Manufacturer / importer |
| ENS not filed and the box is refused at loading | Loading port, Shanghai | EORI and house-bill data passed to the filer at booking | Filer (carrier / forwarder) |
Questions
24 hours before the container is loaded in China, not before it reaches Helsinki. Without it carriers do not load the box, and a filing without an EORI number is rejected.
Often, but it depends on the service. The Baltic is reached through the Danish straits, and we ask the carrier to name any transhipment port and confirm DG acceptance for each vessel.
Shanghai MSA's Notice No. 4 of 2024 accepts either an inspector-signed packing certificate or a packing declaration issued by the stuffing company. Either way, the shipper remains responsible and must provide proof if MSA spot-checks.
References
Next step
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We check carrier acceptance for Shanghai → Helsinki before any booking, and ask for missing battery documents first.
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