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

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Topics

6 guides

How to find the right HTS code for your product

A working classification workflow: search by description, read the section and chapter notes, apply the GRIs, confirm the 10-digit suffix.

13 min read·Updated May 5, 2026

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Tariff classification for products with mixed materials and components

How to classify composite goods and retail kits with the GRIs: relative specificity, essential character, sets put up for retail sale, GRI 5 cases.

12 min read·Updated May 5, 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 bulk-review SKU descriptions for HTS classification

A practical CSV workflow for cleaning product descriptions, searching current HTS references, and routing every candidate code to documented human review.

8 min read·Updated Aug 28, 2026

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How to review broker HTS classifications with public HTS data

A disciplined second-pass workflow for checking filed codes, current legal text, duty layers, and trade-risk signals without pretending an API replaces judgment.

9 min read·Updated Aug 28, 2026

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How to use Claude or ChatGPT for safer HTS code research

A prompt and verification workflow that uses current read-only HTS tools to produce a candidate brief—not a made-up final classification.

9 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