Lithium battery freight focus Air · Sea · Land assessment Document-first planning
Shipment Status & Support

North America · sea freight from Tianjin

Shipping from Tianjin to Brownsville

Tianjin to Brownsville

Bohai Sea · Bohai Strait · Korea Strait · Eastern Pacific · Panama Canal · Caribbean Sea · Yucatán Channel · Gulf of Mexico

Sea corridor illustration: Tianjin to Brownsville, United States Simplified map with a curved corridor from Tianjin via Bohai Sea, Bohai Strait, Korea Strait, Eastern Pacific, Panama Canal, Caribbean Sea, Yucatán Channel, Gulf of Mexico to Brownsville. Illustration only; not a vessel track or schedule. CHINASOUTHEAST ASIANORTH AMERICAPACIFIC OCEAN Tsugaru StraitNorth PacificPanama Canal TianjinCHINA ORIGIN BrownsvilleUNITED STATES TianjinBOHAI SEAYELLOW SEASHANDONGDEPARTURE AREA
  1. TianjinChina origin
  2. Bohai Sea
  3. Bohai Strait
  4. Korea Strait
  5. Eastern Pacific
  6. Panama Canal
  7. Caribbean Sea
  8. Yucatán Channel
  9. Gulf of Mexico
  10. BrownsvilleUnited States
Geographic corridor illustration only, not a vessel track, port-call list or sailing schedule. The loading terminal, carrier, transshipment and dates are confirmed per shipment.

From Tianjin to Brownsville, cargo moves out of Tianjin's Xingang terminals, crosses the Pacific, the Panama Canal and the Caribbean, and is discharged at the port of Brownsville.

US entry is decided as much by paperwork filed in China as by anything at the port. This page sets out 5 points specific to this route, how Anxin handles each one and which documents to prepare.

What we need to start

  • Factory-supervised loading
  • Bohai Bay winter ice
  • HTS code 8507.60
  • ISF filer
  • Supply-chain tracing file

Route profile

What sets Tianjin → Brownsville apart

Sea corridor

Asia – Americas via the Panama Canal

Gatun Lake levels set how much a ship can load through Panama; the Caribbean leg then crosses hurricane waters from June to November.

Import country

United States

A duty line set by the exact 8507.60 code, lithium supply-chain questions under UFLPA, and ISF and AMS filings that are due before the box is loaded.

Container gantry cranes at a Tianjin port container terminal
A container ship under way off the Guatemalan coast

Where this route gets difficult

Where Tianjin → Brownsville shipments get held up: 5 points

Listed from loading in Tianjin to import into United States, each with what we do about it.

  1. Origin port

    Packaging appraisal is still the first step at Tianjin

    Export dangerous-goods packaging must pass use appraisal in China before the goods can leave. Tianjin port's 2025 measures shortened appraisal time for lithium battery exports through quick release, and Tianjin Port Group handles lithium DG containers, but without the appraisal certificate the rest of the filing cannot proceed.

    What Anxin does: We check at quotation that the packaging maker has its performance appraisal and apply for the use appraisal as soon as the packing is fixed, so the certificate is in hand before the MSA filing.

  2. Sea corridor

    Hurricane season on the Caribbean side

    The Atlantic hurricane season, covering the Caribbean and the Gulf of America, runs from 1 June to 30 November, peaking around 10 September, with an average of 14 named storms. Ports on the way to Brownsville close ahead of storms, and ships wait or divert.

    What Anxin does: For August–October arrivals we build slack into delivery plans and pass the carrier's revised arrival straight to your consignee.

  3. Import country

    Product defects must be reported to CPSC within 24 hours

    US importers, like manufacturers and retailers, must tell CPSC within 24 hours once they have information reasonably suggesting that a consumer product fails a safety rule or has a defect that could create a substantial hazard. Battery overheating reports from customers can trigger that duty, and CPSC expects any investigation to take no more than about 10 working days.

    What Anxin does: We keep the manufacturer's batch records, UN 38.3 summaries and packing photos for each shipment to Brownsville, so the importer can answer CPSC questions quickly.

  4. Import country

    CPSC certificate data now filed at entry

    Since 8 July 2026, importers of consumer products that are subject to a CPSC certification requirement must electronically file the certificate data at entry; goods entered from a Foreign Trade Zone follow on 8 January 2027. Whether a battery-powered product is caught depends on the rules that apply to that product, not on the battery alone.

    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.

  5. Import country

    The FMC's 30-day rules on demurrage and detention bills

    If a battery container waits at Brownsville, 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.

Locator map of Brownsville, United StatesBrownsville
Locator map in the same projection as the corridor map; the dot marks the listed port position (25.95°N, 97.40°W).
Container ship being unloaded under red gantry cranes in Vancouver

Documents & compliance

Documents to line up for Tianjin → Brownsville

Anxin reviews documents supplied by the shipper, manufacturer and importer; it does not issue test reports, safety data sheets or import certificates.

At the Tianjin end

  • Packaging use-appraisal certificate issued before the MSA cargo report is filed
  • Customs packaging use-appraisal result for the dangerous goods packaging (with the maker's performance appraisal)
  • 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)

For the shipping line

  • Canal routing and any canal-related surcharge confirmed for the booked vessel
  • Dangerous goods declaration with UN number (3480 / 3481 / 3090 / 3091), proper shipping name and packing instruction (P903, or P908/P911 for damaged)
  • Lithium battery mark (SP188 cargo) or class 9 labels and placards

At the United States end

  • 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
  • Importer of record and the licensed customs broker who will file the entry
A cylindrical lithium-ion cell held between two fingers
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 Tianjin 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

Risk table for Tianjin → Brownsville

RiskWhereMitigationWho acts
Hurricane closes ports or diverts the vesselCaribbean / Gulf, Jun–NovSlack in delivery planCarrier / consignee

Questions

Questions about shipping from Tianjin to Brownsville

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.

It can. In September 2026 the Panama Canal Authority postponed a planned draft cut in the Neopanamax locks because of Gatun Lake levels (advisory A-33-2026). We check the advisory in force when quoting.

Tianjin Customs offers a 'supervised factory loading, direct loading on port arrival' model: stuffing is supervised at the factory, the box enters the port in a booked slot and is loaded directly. Whether a given shipment can use it depends on the customs arrangement for the exporter and the port slot; we check both when you book.

Next step

From enquiry to import

  1. 1EnquiryCargo, origin, destination
  2. 2Documents checkUN 38.3, SDS, packing
  3. 3BookingAfter carrier acceptance
  4. 4HandoverAt Tianjin
  5. 5ImportClearance at Brownsville
Each step is confirmed in writing; an enquiry does not create a booking.

Ask about Tianjin → Brownsville

Origin and destination are filled in; add the cargo facts you have.

Sending this form starts a review; it does not confirm carriage. Full enquiry form

After you send it

We check carrier acceptance for Tianjin → Brownsville before any booking, and ask for missing battery documents first.

All destinations from Tianjin · United States ports

Trailers backed up to the loading docks of a warehouse

Need Tianjin → Brownsville reviewed?

Share the cargo facts; we review the route in writing.

Request a Quote
Request a Quote WhatsApp