SIMWON TECH INC
SIMWON TECH INC is a supplier based in REPUBLIC OF KOREA with 2,659 U.S. import bill-of-lading shipment records between Jan 2020 and Aug 2026. It is the leading supplier of Aluminum structures (excluding prefabricated buildings of heading 9406) and parts of structures (for example, bridges and bridge-sections, towers, lattice masts, roofs, roofing frameworks, doors and windows and their frames and thresholds for doors, balustrades, pillars and columns), other (HS 761090) to the U.S. by shipment count. Its top U.S. customers include SIMWON AMERICA CORP, SIMWON NA CORP, and CHALLENGE MFG COMPANY, primarily ships HS code 761090. Shipments arrive primarily at OAKLAND, CA. Shipment volume has declined over the past 12 months versus the prior year.
Sourced from U.S. Customs bill of lading data · Updated monthly · Data through August 2026Cite as: ImportDoor, U.S. Customs bill of lading data (data through August 2026), https://www.importdoor.com/supplier/simwon-tech-inc
See all 2,659 shipments of SIMWON TECH INC with dates, ports, consignees, filters and CSV export in the ImportDoor dashboard.
Open in dashboardShipments by month (last 24 months)
Trade flow: products → U.S. importers
What SIMWON TECH INC ships and to whom — the strongest product-customer relationships in its shipment records. Hover a ribbon for details; click a name to open its profile.
The largest relationship is Aluminum structures (excluding prefabricated buildings of headi… → SIMWON AMERICA CORP with 881 shipments, followed by Other parts and accessories of bodies (including cabs), other → SIMWON AMERICA CORP (362) and Plated with precious metal → SIMWON AMERICA CORP (159).
Top U.S. customers
| Importer | Shipments |
|---|---|
| SIMWON AMERICA CORP | 2,089 |
| SIMWON NA CORP | 260 |
| CHALLENGE MFG COMPANY | 232 |
| ARANDA TOOLING INC | 53 |
| RIVIAN AUTOMOTIVE LLC | 12 |
| TESLA INC | 7 |
| ARANDA TOOLING LLC | 3 |
| ABC TECHNOLOGIES TEXAS LLC | 1 |
| FOUR LINK INTL USA | 1 |
| GLOVIS AMERICA INC | 1 |
Top products (HS codes)
Unlock SIMWON TECH INC’s full product & HS-code breakdownOrigin countries
| Country | Shipments |
|---|---|
| REPUBLIC OF KOREA | 2,490 |
| CHINA | 112 |
| GERMANY | 29 |
| KOREA, DEMOCRATIC PEOPLES REPUBLIC OF | 23 |
| JAPAN | 4 |
| TAIWAN | 1 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| OAKLAND, CA | 1,389 |
| LONG BEACH, CA | 468 |
| LOS ANGELES, CA | 462 |
| HOUSTON, TX | 316 |
| PORT HUENEME, CA | 10 |
| MOBILE, AL | 4 |
| SEATTLE, WA | 2 |
| TACOMA, WA | 2 |
| FREEPORT, TX | 2 |
| SAVANNAH, GA | 1 |
Other suppliers of Aluminum structures (excluding prefabricated buildings of heading 9406) and parts of structures (for example, bridges and bridge-sections, towers, lattice masts, roofs, roofing frameworks, doors and windows and their frames and thresholds for doors, balustrades, pillars and columns), other
Suppliers that also ship Aluminum structures (excluding prefabricated buildings of heading 9406) and parts of structures (for example, bridges and bridge-sections, towers, lattice masts, roofs, roofing frameworks, doors and windows and their frames and thresholds for doors, balustrades, pillars and columns), other (HS 761090) to the U.S., ranked by shipment volume.
| Supplier | Shipments |
|---|---|
| NOVELIS KOREA LIMITED | 772 |
| GEELONG THAILAND CO LTD | 396 |
| HYUNDAI CORP | 304 |
| HENAN MINGTAI AL INDUSTRIAL CO | 274 |
Frequently asked questions about SIMWON TECH INC
Who are SIMWON TECH INC's top U.S. customers?
Based on U.S. Customs bill-of-lading records, SIMWON TECH INC's top U.S. importers include SIMWON AMERICA CORP, SIMWON NA CORP, CHALLENGE MFG COMPANY, ARANDA TOOLING INC, and RIVIAN AUTOMOTIVE LLC.
What does SIMWON TECH INC export?
SIMWON TECH INC's most frequent shipments fall under HS codes 761090, 870829, and 821591.
Is SIMWON TECH INC a major supplier of Aluminum structures (excluding prefabricated buildings of heading 9406) and parts of structures (for example, bridges and bridge-sections, towers, lattice masts, roofs, roofing frameworks, doors and windows and their frames and thresholds for doors, balustrades, pillars and columns), other?
Yes — based on U.S. Customs bill-of-lading shipment counts, SIMWON TECH INC is the leading supplier of Aluminum structures (excluding prefabricated buildings of heading 9406) and parts of structures (for example, bridges and bridge-sections, towers, lattice masts, roofs, roofing frameworks, doors and windows and their frames and thresholds for doors, balustrades, pillars and columns), other (HS 761090) to the U.S.
Where does SIMWON TECH INC ship from?
SIMWON TECH INC ships primarily from REPUBLIC OF KOREA, CHINA, and GERMANY.
How many shipments does SIMWON TECH INC have?
ImportDoor has 2,659 U.S. import shipment records for SIMWON TECH INC, spanning Jan 2020 to Aug 2026.
Which U.S. ports does SIMWON TECH INC ship to?
SIMWON TECH INC's shipments arrive primarily at OAKLAND, CA and LONG BEACH, CA.
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