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Tandom

The building blocks of global trade.

hello@tandom.ai

Proud to partner with

Microsoft for Startups

NVIDIA

Inception Program

Products

  • Tariff Calculator
  • AD/CVD Intelligence
  • HTS Classification
  • Document Intelligence
  • Entry Filing
  • Excel Plugin
  • Email Plugin

Catalogs

  • AD/CVD Catalog
  • HTS Catalog
  • Pending Investigations Directory
  • Rate Change Feed

Developers

  • API
  • AI Agent Workflows
  • MCP Connector
  • API Reference
  • API Pricing
  • API Changelog

Resources

  • Resource Center
  • Guides
  • Roadmap

Company & Legal

  • About
  • Privacy Policy
  • Terms of Service
  • Acceptable Use

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

AD/CVD Catalog

The canonical reference for US antidumping and countervailing duty compliance. Search across orders, investigations, manufacturer rates, and CBP CSMS messages — or filter by type with the sidebar on the left.

Filter results

Type

Country

6 results for “3204.15.40.00”

Orders (1–5 of 5)

ADA-570-972·China·141.08

Stilbenic Optical Brightening Agents

ADA-533-838·India·27.48%

Carbazole Violet Pigment 23

ADA-583-848·Taiwan·6.19%

Stilbenic Optical Brightening Agents

ADA-570-856·China·129.6%·revoked

Synthetic Indigo

ADA-570-892·China·241.32

Carbazole Violet Pigment 23

Investigations (1–1 of 1)

AD731-TA-851·completed·China

Synthetic Indigo from China, Inv. 731-TA-851 (Review)