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.
North America · sea freight from Shenzhen
Shipping from Shenzhen to Los Angeles
Shenzhen to Los Angeles
South China Sea · Taiwan Strait · East China Sea · North Pacific
- ShenzhenChina origin
- South China Sea
- Taiwan Strait
- East China Sea
- North Pacific
- Los AngelesUnited States
Lithium batteries for Los Angeles go from Dongguan and Shenzhen factories via Yantian, where the one-box route had moved 409 battery containers by September 2026. On the way they face a North Pacific crossing with no chokepoint but real winter-storm exposure, and they arrive at Los Angeles, where the drayage leg out of Terminal Island is regulated as a US hazardous-materials movement.
US entry is decided as much by paperwork filed in China as by anything at the port. The 5 points below are particular to this lane; each comes with what we do and the paperwork it touches.
What we need to start
- Yantian / Shekou export
- Typhoon season Jun–Oct
- Supply-chain tracing file
- Drayage carrier briefed on DG data
- HTS code 8507.60
Route profile
How Shenzhen → Los Angeles differs from other lanes
United States
Two filings before loading, a Section 301 line set by classification, UFLPA supply-chain questions and a 15-day General Order clock after discharge.
Where this route gets difficult
5 pain points from Shenzhen to Los Angeles
In the order the cargo meets them: at the loading port, at sea, at Los Angeles and at customs in United States.
- Origin port
Typhoon season squeezes Shenzhen cut-offs
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 corridor
Hurricane-force winter storms, October to April
NOAA's Ocean Prediction Center has recorded hurricane-force winds (64 knots or more) in mid-latitude North Pacific storms in every month from October to April, most often in December, with 15 to 23 such storms a season in its 2001–2004 study. These are not tropical systems, so they arrive outside typhoon season.
What Anxin does: For October–April sailings we check blocking and bracing on stuffing photos before sealing and confirm the full DG data are on the manifest.
- Destination port
The drayage leg is a US hazmat movement
Once the container leaves the ship, the truck move is governed by US hazardous materials rules. 49 CFR 171.25 lets IMDG-compliant cargo move by road before or after the sea leg, but the shipping papers and placards must meet part 172 subparts C and F, and highway moves must meet part 177. A driver who receives incomplete DG data at the terminal gate cannot legally take the box.
What Anxin does: We pass the full DG description, emergency response details and placarding information to the importer's drayage carrier with the arrival notice, not on the day of collection.
- Import country
The ISF deadline falls before the box is loaded
CBP must have the Importer Security Filing 24 hours before the container is laden in Shenzhen, 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 Shenzhen, ahead of the vessel's loading window.
- 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 Los Angeles.
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 Shenzhen → Los Angeles
Anxin reviews documents supplied by the shipper, manufacturer and importer; it does not issue test reports, safety data sheets or import certificates.
In Shenzhen, before the box is loaded
- Confirmation from the carrier of the DG cut-off at Yantian or Shekou, rechecked in typhoon weeks
- 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
Carrier and voyage
- Stuffing photos before, during and after packing, checked for blocking and bracing
- Condition statement: new, used, damaged/defective (SP376) or for recycling (SP377)
- SP188 cartons: US 'forbidden aboard passenger aircraft' marking or CAO label
For the importer in United States
- Drayage carrier receives DG shipping-paper data and placard information before collection
- CPSC certificate data and eFiling arrangement, if the product is subject to certification
- 24-hour emergency response number (and provider reference) for the US road leg
Before you book
Send the file once, complete
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 Shenzhen 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
Risks on this route and who deals with them
| 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 |
| Heavy-weather damage in a winter storm | North Pacific, Oct–Apr | CINS stuffing checks | Packing site, checked by Anxin |
| Truck refused at the gate for missing DG paperwork | Los Angeles container terminals | DG description and emergency data sent to the drayage carrier with the arrival notice | Anxin with the importer's trucker |
| Late or inaccurate ISF | Before loading abroad | Stuffing and consolidator data sent to the ISF filer immediately after packing | Anxin with the ISF filer |
Questions
Common questions on the Shenzhen → Los Angeles route
No. The carrier must also send its cargo declaration through AMS 24 hours before loading, and CBP will not issue the permit to unlade without it.
Weather is the main risk on this crossing: NOAA recorded hurricane-force North Pacific storms from October to April, most often in December. We tighten the packing checks for those sailings.
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
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)
- 19 CFR 4.7: inward foreign manifest; advance filing of cargo declaration (24 hours before lading) (Legal Information Institute (e-CFR text))
- 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)
- Hurricane force extratropical cyclones observed using QuikSCAT (Mariners Weather Log 49-1) (NOAA Ocean Prediction Center)
- Forecasting yearly number of tropical cyclones affecting Hong Kong (tropical cyclone season June–October, most active July–September) (Hong Kong Observatory)
Next step
From enquiry to import
- 1EnquiryCargo, origin, destination
- 2Documents checkUN 38.3, SDS, packing
- 3BookingAfter carrier acceptance
- 4HandoverAt Shenzhen
- 5ImportClearance at Los Angeles
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After you send it
We check carrier acceptance for Shenzhen → Los Angeles before any booking, and ask for missing battery documents first.
All destinations from Shenzhen · United States ports
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