Shanghai (Yangshan / Waigaoqiao)
Yangshan and Waigaoqiao exports under Shanghai MSA's photo-verified packing system, where a mismatch between photos and EDI data keeps a DG box off the ship.
North America · sea freight from Shanghai
Shanghai to St. John's
East China Sea · Korea Strait · Tsugaru Strait · Eastern Pacific · Panama Canal · Caribbean Sea · Windward Passage · North Atlantic
Lithium batteries for St. John's go from the Yangtze River Delta via Shanghai's Yangshan and Waigaoqiao terminals. On the way they face a corridor into Atlantic Canada's waters, and they arrive at the port of St. John's.
Canadian clearance depends on eManifest data filed before loading and on the importer's CARM set-up. 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
Yangshan and Waigaoqiao exports under Shanghai MSA's photo-verified packing system, where a mismatch between photos and EDI data keeps a DG box off the ship.
The last leg crosses the North Atlantic or enters the Gulf of St Lawrence, with an icebreaking season from December to May and hurricane-force winter storms peaking in January.


Where this route gets difficult
Loading port first, then the sea leg, then St. John's and the Canada market.
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.
Shanghai's electronic packing certificate goes out by EDI only after the inspector has uploaded before, during and after stuffing photos through the MSA's remote system, with face recognition and phone location switched on. Missing, late or off-site photos, or photos that do not match the EDI cargo data, stop the container from loading. Stuffing sites outside Shanghai need registration with Shanghai MSA.
What Anxin does: We confirm that the stuffing site (including factory sites in Jiangsu or Zhejiang) is registered for Shanghai's remote system, and we check the photo upload against the EDI data before the packing certificate is sent.
NOAA's Ocean Prediction Center has recorded hurricane-force mid-latitude storms in the North Atlantic from October to April, most often in January. The final leg to St. John's crosses those waters.
What Anxin does: For winter sailings we check blocking and bracing on stuffing photos before sealing.
Canada's advance commercial information rules want container data from the carrier 24 hours before loading abroad. Change the data electronically before the ship sails and the 24 hours run again from the CBSA's acknowledgement, which is how a correction made in Shanghai can cost a container its sailing.
What Anxin does: We send the carrier the final cargo description, UN number, weights and consignee details before the cut-off in Shanghai and avoid amendments after the filing.
Since the CARM transition ended on 20 May 2025, importers without financial security posted in the CARM Client Portal no longer get release prior to payment; they pay duties and taxes when the goods are released. For a first shipment through St. John's, that decides whether goods can leave the terminal before the duty is settled.
What Anxin does: At quotation we ask the Canada importer whether its CARM account has security posted for release prior to payment, so the broker's release plan is known before the ship arrives.

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.

We line up UN numbers, model names and package counts across the Shanghai filings, the booking with the carrier and the documents for Canada before the booking is confirmed, so that a mismatch is fixed at origin rather than discovered at St. John's.
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 |
| Container refused for loading: photos late, off-site or not matching EDI data | Yangshan / Waigaoqiao | Photo upload checked against EDI data before the certificate is sent | Packing inspector, checked by Anxin |
| Stack damage in a winter storm | North Atlantic, Oct–Apr | CINS stuffing checks | Packing site, checked by Anxin |
| Container rolled after a late eManifest amendment | Loading port | Data final before filing | Carrier, with data from Anxin |
| Goods held at release until duties and taxes are paid | Canadian port of discharge | CARM security checked at quotation | Importer / broker |
Questions
Only if the importer is enrolled in release prior to payment with financial security posted in the CARM Client Portal. Since 20 May 2025, importers without security pay duties and taxes at release.
NOAA's storm study found hurricane-force winter storms from October to April, most often in January.
It can, but Shanghai MSA checks the phone location of the packing photos against a verified stuffing site, and sites outside Shanghai must be registered with it. We confirm registration before the stuffing date; otherwise the container can be refused for loading.
References
Next step
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We check carrier acceptance for Shanghai → St. John's before any booking, and ask for missing battery documents first.
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