Plated or coated with zinc (HS 731431)
Plated or coated with zinc (HS 731431) has 7,992 U.S. import bill-of-lading shipment records between Jun 2018 and Jul 2026. The largest U.S. importer of Plated or coated with zinc is SSAB DETROIT SALES OFFICE, with 473 shipments, followed by TRACTOR SUPPLY COMPANY and MIDWEST AIR TECHNOLOGIES INC. The leading supplier is HANGZHOU WELL TRANS SUPPLY CHAIN MA, with 1,173 shipments, followed by SSAB EUROPE OY and VIETNAM HAIPHONG HONGYUAN MACHINERY MANUFACTORY CO LTD. Goods originate mainly from CHINA and VIET NAM, arriving primarily at LOS ANGELES, CA. Import 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 July 2026
Shipments over time (last 24 months)
Trade flow: top suppliers → U.S. importers
The strongest supplier-importer relationships for Plated or coated with zinc (HS 731431), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is SSAB EUROPE OY → SSAB DETROIT SALES OFFICE with 462 shipments, followed by VIETNAM HAIPHONG HONGYUAN MACHINERY LOTS → MIDWEST AIR TECHNOLOGIES INC (186) and VIETNAM HAIPHONG HONGYUAN MACHINERY LOTS → TRACTOR SUPPLY COMPANY (186).
Top U.S. importers
| Importer | Shipments |
|---|---|
| SSAB DETROIT SALES OFFICE | 473 |
| TRACTOR SUPPLY COMPANY | 410 |
| MIDWEST AIR TECHNOLOGIES INC | 269 |
| LG SOURCING INC | 175 |
| PARKER HANNIFIN INDUSTRIAL HOSE DIV | 175 |
Top suppliers
| Supplier | Shipments |
|---|---|
| HANGZHOU WELL TRANS SUPPLY CHAIN MA | 1,173 |
| SSAB EUROPE OY | 492 |
| VIETNAM HAIPHONG HONGYUAN MACHINERY MANUFACTORY CO LTD | 416 |
| VIETNAM HAIPHONG HONGYUAN MACHINERY LOTS | 404 |
| PARKER HANNIFIN INDIA PVT LTD | 370 |
Origin countries
| Country | Shipments |
|---|---|
| CHINA | 3,904 |
| VIET NAM | 952 |
| TAIWAN | 744 |
| INDIA | 730 |
| SWEDEN | 489 |
| REPUBLIC OF KOREA | 183 |
| JAPAN | 169 |
| ITALY | 126 |
| SPAIN | 116 |
| BELGIUM | 79 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| LOS ANGELES, CA | 2,181 |
| LONG BEACH, CA | 1,159 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 720 |
| SAVANNAH, GA | 503 |
| HOUSTON, TX | 469 |
| TACOMA, WA | 394 |
| NORFOLK, VA | 334 |
| CHARLESTON, SC | 334 |
| SEATTLE, WA | 276 |
| DETROIT, MI | 255 |
Harmonized System classification
HS code 731431 — Plated or coated with zinc. 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 Plated or coated with zinc
Who imports Plated or coated with zinc (HS 731431)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Plated or coated with zinc include SSAB DETROIT SALES OFFICE, TRACTOR SUPPLY COMPANY, MIDWEST AIR TECHNOLOGIES INC, LG SOURCING INC, and PARKER HANNIFIN INDUSTRIAL HOSE DIV.
Who is the largest U.S. importer of Plated or coated with zinc?
SSAB DETROIT SALES OFFICE is the largest U.S. importer of Plated or coated with zinc (HS 731431), with 473 bill-of-lading shipment records.
Who are the top suppliers of Plated or coated with zinc?
Leading suppliers shipping Plated or coated with zinc (HS 731431) to the U.S. include HANGZHOU WELL TRANS SUPPLY CHAIN MA, SSAB EUROPE OY, VIETNAM HAIPHONG HONGYUAN MACHINERY MANUFACTORY CO LTD, VIETNAM HAIPHONG HONGYUAN MACHINERY LOTS, and PARKER HANNIFIN INDIA PVT LTD.
How many U.S. shipments of Plated or coated with zinc are there?
ImportDoor has 7,992 U.S. import shipment records under HS code 731431, spanning Jun 2018 to Jul 2026.
Where is Plated or coated with zinc imported from?
Plated or coated with zinc is imported into the U.S. primarily from CHINA, VIET NAM, and TAIWAN.
Find Plated or coated with zinc importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 731431, with contact details and container-level shipment records on ImportDoor.
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