About
Company Name: SINCEH INTERNATIONAL
Registered Location: Georgia (USA)
Headquarter: Atlanta, Georgia (USA)
Parent Company: World Trade Center JEJU (Republic of Korea)
Welcome to SINCEH INTERNATIONAL, your trusted partner in international trade and consulting. With the exclusive agreement & support from WTC JEJU, we are dedicated to delivering exceptional service and facilitating seamless trade operations between the U.S. and South Korea. Explore our site to learn more about our services and how we can help your business thrive in the global market.
SINCEH INTERNATIONAL is a premier trading and consulting firm established in Fort Lauderdale, Florida. As the strategic U.S. counterpart of WTC JEJU, we handle all U.S.-related business for WTC JEJU, while WTC JEJU manages our trade operations in South Korea.
This close collaboration ensures seamless and efficient handling of international trade operations between the two regions.
Our Expertise
SINCEH INTERNATIONAL specializes in delivering comprehensive trade and consulting services, with deep knowledge in international market entry, product sourcing, and regulatory compliance. Our team’s diverse expertise ensures tailored solutions that meet the specific needs of each client, driving sustainable growth in global markets.
Our Commitment to Results
At SINCEH INTERNATIONAL, we prioritize measurable success. Our strategic approach is designed to ensure that our clients achieve tangible outcomes, from market expansion to increased profitability. We are committed to delivering results that align with your business objectives.
Our Philosophy
Our philosophy is centered on creating value through collaboration and innovation. We believe in building long-term partnerships with our clients, working together to navigate the complexities of international trade while remaining agile and forward-thinking.
Our Experience
With years of experience in both the U.S. and Korean markets, SINCEH INTERNATIONAL has a proven track record of helping businesses succeed globally. From product launches to regulatory challenges, our team has the insight and experience needed to drive impactful solutions.



Key Management
SINCEH INTERNATIONAL's leadership team brings decades of expertise in international trade, market expansion, and strategic consulting. Our key management is dedicated to guiding clients through every stage of their global business journey with precision and insight.
Sangin HWANG
Founder & CEO
Head of Global Operations
Sangin Hwang leads SINCEH INTERNATIONAL with extensive experience in global trade and operations. As the CEO of SINCEH INTERNATIONAL and Executive Director of WTC JEJU, he oversees all strategic initiatives, ensuring smooth and efficient execution of the company’s international activities.


Jane LEE
Co-Founder & Executive Director
Head of KR Relations
Jane Jieun Lee oversees quality assurance at SINCEH INTERNATIONAL, ensuring that all products meet the highest standards. Her expertise in quality management is key to maintaining the company’s reputation for excellence.