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Industrial sourcing and import guides

Primary-source-cited guides for US industrial sourcing and import teams. Build RFQs, compare manufacturers, evaluate landed cost, and investigate tariff and AD/CVD risk.

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Tandom

Tandom helps US industrial buyers find, evaluate, and develop manufacturers across Asia and Latin America.

Discuss a sourcing project →

Proud to partner with

Microsoft for Startups

NVIDIA

Inception Program

Sourcing

  • How it works
  • What you receive
  • How engagements work
  • Discuss a sourcing project

Free tools

  • Tariff Calculator
  • AD/CVD Lookup
  • AD/CVD Catalog
  • HTS Catalog

Resources

  • Resource Center
  • Trade compliance guides
  • Roadmap

Company

  • About
  • Contact
  • Security
  • Accessibility
  • Public API status
  • Tandom Brasil ↗
For AI agentsllms.txtllms-full.txtConnect free import tools to your AIFree API overviewAPI reference

© 2026 Fintora Technologies Inc., d/b/a Tandom.ai. All rights reserved.

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Made with ❤️ in São Paulo and San Francisco

Topics

7 guides

The DTC import playbook after Section 321 ended

Nine operational steps from catalog audit to customer comms. Broker selection, ACE setup, entry-type decision, recordkeeping, and a worked transition timeline for a 80,000-order/month apparel brand.

15 min read·Updated May 7, 2026

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Postal vs courier duty rules for low-value imports

How postal and courier shipments are duty-handled differently into the US. The Feb 28, 2026 ad valorem cutover, per-package math on a $30 phone case, and AOV-band decision framework.

11 min read·Updated May 7, 2026

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How to request a CBP binding ruling

When to file an eRulings request, what to put in it, where it goes, and how the binding effect works. Written for brokers and compliance teams.

11 min read·Updated May 5, 2026

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How to subscribe to and triage CBP CSMS messages

How to subscribe to CBP Cargo Systems Messaging Service (CSMS) and triage the messages that change broker filing behavior, without losing the ones that matter.

12 min read·Updated May 5, 2026

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How to track CBP CSMS duty-rate changes for your import catalog

A practical manual workflow for US industrial importers to monitor CBP CSMS messages, identify affected HTS codes, verify duty impact, and document the handoff.

10 min read·Updated Aug 28, 2026

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How trade compliance APIs fit into broker workflows

Where trade compliance APIs can support a filing workflow, and where Tandom's current public surface stops: HTS research, duty calculation, AD/CVD screening, and read-only MCP tools.

11 min read·Updated Aug 28, 2026

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How to extract HTS-ready fields from a commercial invoice

A manual, reviewable workflow for US industrial importers to turn a commercial invoice into structured product, origin, valuation, HTS, and duty inputs.

12 min read·Updated Aug 28, 2026

Read guide →

Tandom

Tandom helps US industrial buyers find, evaluate, and develop manufacturers across Asia and Latin America.

Discuss a sourcing project →

Proud to partner with

Microsoft for Startups

NVIDIA

Inception Program

Sourcing

  • How it works
  • What you receive
  • How engagements work
  • Discuss a sourcing project

Free tools

  • Tariff Calculator
  • AD/CVD Lookup
  • AD/CVD Catalog
  • HTS Catalog

Resources

  • Resource Center
  • Trade compliance guides
  • Roadmap

Company

  • About
  • Contact
  • Security
  • Accessibility
  • Public API status
  • Tandom Brasil ↗
For AI agentsllms.txtllms-full.txtConnect free import tools to your AIFree API overviewAPI reference

© 2026 Fintora Technologies Inc., d/b/a Tandom.ai. All rights reserved.

PrivacyTermsCookiesAcceptable Use

Made with ❤️ in São Paulo and San Francisco