U.S. Consulate General, Hong Kong & Macau

U.S. Commercial Service, Hong Kong: Supports for U.S. exporters.

American Chamber of Commerce in Hong Kong

U.S. Department of State (Travel.State.Gov): Consular Information Sheet about policies, requirements, transportation, security etc. when Americans travel to Hong Kong SAR.

U.S. Census Bureau: U.S. Trade Balance with Hong Kong from 1985 - Present.

USDA Foreign Agricultural Service in Hong Kong