Sean Chaohua Tan
CBP-Permitted Customs Broker
DBSSean Chaohua Tan, of San Gabriel, CA, holds an active national customs broker permit and appears on U.S. Customs and Border Protection’s Permitted Customs Broker Listing under entry filer code
DBS. Licensed customs brokers prepare and file entries,
classify goods under the Harmonized Tariff Schedule, and answer for the duties their clients owe —
work that in 2026 means navigating stacked Section 301 lists, Section 232 metal
actions, country-wide floors, and exclusions that change month to month.
DBS means same-day verification.- Champion Customs Broker, Inc. San Gabriel, CA
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- A&A Action Customs Brokerage, LLC Redondo Beach, CA
Source: U.S. Customs and Border Protection, Permitted Customs Broker Listing (edition TA-015 Broker Permit_Contact List Final 05.2026.csv), synced 2026-09-21. Corrections come from CBP’s listing; questions or removal requests via our contact form.