Trade resources for faster quote review.
Short planning guides that explain the policy and classification checks behind the calculators, written for exporters, importers, and trade teams.
US China tariff planning
Section 301 Tariffs: What Importers Should Check
A planning guide to Section 301 tariff checks for China-origin goods imported into the United States.
Low-value shipment update
US De Minimis Changes and Low-Value Import Planning
Planning notes for low-value US imports after duty-free de minimis treatment was suspended for all countries.
US import fee basics
MPF and HMF in US Landed-Cost Estimates
A plain-English guide to merchandise processing fee and harbor maintenance fee in landed-cost planning.
Classification basics
HS Code vs HTS Code: The Difference for US Imports
Learn how six-digit HS codes differ from US HTS codes when estimating duties and building quote records.
Calculator workflow
US Import Duty Calculator: What to Enter Before You Quote
A practical guide to the inputs behind a US import duty estimate: HTS code, origin, value, freight, insurance, and fee layers.
China to USA
China to USA Tariff Calculator: Review Layers Before Pricing
A quote-planning guide for China-origin goods shipped to the United States, including base duty, additional tariff layers, and broker review.
Quote math
Landed Cost Formula for Import Quotes
A practical landed-cost formula for product cost, freight, insurance, duty, import fees, and local charges.
Freight basics
Chargeable Weight Guide for Air and Express Freight
Understand volumetric weight, actual weight, divisors, and how chargeable weight affects freight planning.