Simon Liu

DDPEX, LLC is a licensed U.S. customs broker based in La Puente, California, operating under filer code N3W. Strategically positioned in the greater Los Angeles region, DDPEX provides customs brokerage services for importers navigating cross-border trade between the United States, Canada, and international markets. The firm specializes in PAPS and PARS processing, supporting both commercial importers and trucking companies with clearance documentation and compliance requirements.

Guoxuan Li is a federally licensed customs broker based in La Puente, California, operating under filer code D9L. Located in the San Gabriel Valley east of Los Angeles, Li serves importers throughout Southern California with customs clearance services. The La Puente location provides strategic access to the Ports of Los Angeles and Long Beach—the nation's busiest container port complex—as well as Los Angeles International Airport (LAX) and Ontario International Airport. Li's practice focuses on facilitating compliant entry of goods through these critical West Coast gateways, particularly for imports originating from Asia-Pacific trading partners.

Gordana Kajer is a Licensed Customs Broker operating in Long Beach, California with over 40 years of experience in U.S. Customs operations and international trade. As Owner and Principal of GK International Services, she specializes in duty drawback programs, manufacturing drawback, and customs compliance for importers and exporters. Her expertise includes Section 301 duty recovery, destroyed goods claims, unused merchandise claims, and MPF/HMF drawback. Licensed since the early 1980s, Gordana provides hands-on service focused on helping businesses recover duties and reduce import costs through the Port of Long Beach.