Refined copper, wire bars (HS 740312)
Refined copper, wire bars (HS 740312) has 7,757 U.S. import bill-of-lading shipment records between Jan 2020 and Jul 2026. The largest U.S. importer of Refined copper, wire bars is TENARIS BAY CITY INC, with 219 shipments, followed by HARTWICK OSHEA CARTWRIGHT LIMITED and COPPER AND BRASS SALES. The leading supplier is TECNOFIL SA, with 818 shipments, followed by FENG HSIN STEEL CO LTD and TECNOFIL S A. Goods originate mainly from CHINA and LAO, arriving primarily at NEW YORK/NEWARK AREA, NEWARK, NJ. Import volume has risen over the past 12 months versus the prior year.
Sourced from U.S. Customs bill of lading data · Updated monthly · Data through July 2026
Shipments over time (last 24 months)
Trade flow: top suppliers → U.S. importers
The strongest supplier-importer relationships for Refined copper, wire bars (HS 740312), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is FENG HSIN STEEL CO LTD → HARTWICK OSHEA CARTWRIGHT LIMITED with 207 shipments, followed by SILCOTUB S A → TENARIS BAY CITY INC (177) and FSP ONE → INNOV WIRE TECHNOLOGY INS (166).
Top U.S. importers
| Importer | Shipments |
|---|---|
| TENARIS BAY CITY INC | 219 |
| HARTWICK OSHEA CARTWRIGHT LIMITED | 207 |
| COPPER AND BRASS SALES | 205 |
| INNOV WIRE TECHNOLOGY INS | 166 |
| HARTWICK O SHEA CARTWRIGHT LIMITED | 163 |
Top suppliers
| Supplier | Shipments |
|---|---|
| TECNOFIL SA | 818 |
| FENG HSIN STEEL CO LTD | 437 |
| TECNOFIL S A | 402 |
| FSP ONE | 197 |
| SILCOTUB S A | 190 |
Origin countries
| Country | Shipments |
|---|---|
| CHINA | 1,502 |
| LAO | 921 |
| GERMANY | 607 |
| REPUBLIC OF KOREA | 477 |
| TAIWAN | 476 |
| ITALY | 328 |
| PERU | 288 |
| THAILAND | 271 |
| BELGIUM | 266 |
| JAPAN | 245 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| NEW YORK/NEWARK AREA, NEWARK, NJ | 1,570 |
| LOS ANGELES, CA | 1,190 |
| HOUSTON, TX | 724 |
| LONG BEACH, CA | 662 |
| NORFOLK, VA | 621 |
| SAVANNAH, GA | 515 |
| CHARLESTON, SC | 330 |
| NEW YORK, NY | 288 |
| CHESTER, PA | 261 |
| FREEPORT, TX | 243 |
Harmonized System classification
HS code 740312 — Refined copper, wire bars. The Harmonized System is the international standard for classifying traded goods; U.S. Customs records this 6-digit code on every bill of lading.
Not sure this is the right code? Search all 5,700+ subheadings with the free HS code lookup, or see which product categories are growing in our quarterly State of U.S. Imports reports.
Frequently asked questions about importing Refined copper, wire bars
Who imports Refined copper, wire bars (HS 740312)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Refined copper, wire bars include TENARIS BAY CITY INC, HARTWICK OSHEA CARTWRIGHT LIMITED, COPPER AND BRASS SALES, INNOV WIRE TECHNOLOGY INS, and HARTWICK O SHEA CARTWRIGHT LIMITED.
Who is the largest U.S. importer of Refined copper, wire bars?
TENARIS BAY CITY INC is the largest U.S. importer of Refined copper, wire bars (HS 740312), with 219 bill-of-lading shipment records.
Who are the top suppliers of Refined copper, wire bars?
Leading suppliers shipping Refined copper, wire bars (HS 740312) to the U.S. include TECNOFIL SA, FENG HSIN STEEL CO LTD, TECNOFIL S A, FSP ONE, and SILCOTUB S A.
How many U.S. shipments of Refined copper, wire bars are there?
ImportDoor has 7,757 U.S. import shipment records under HS code 740312, spanning Jan 2020 to Jul 2026.
Where is Refined copper, wire bars imported from?
Refined copper, wire bars is imported into the U.S. primarily from CHINA, LAO, and GERMANY.
Find Refined copper, wire bars importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 740312, with contact details and container-level shipment records on ImportDoor.
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