Other chain, stud link (HS 731581)
Other chain, stud link (HS 731581) has 22,806 U.S. import bill-of-lading shipment records between May 2019 and Aug 2026. The largest U.S. importer of Other chain, stud link is LGC US ASSET HOLDINGS LLC, with 274 shipments, followed by FEDERAL MOGUL and CNH INDUSTRIAL AMERICA LLC. The leading supplier is SPEC PRODUCTS CORP, with 350 shipments, followed by COSMA AUTOMOTIVE SHANGHAI CO LT and GOFAST CO LTD. Goods originate mainly from CHINA and TAIWAN, arriving primarily at LOS ANGELES, CA. 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 August 2026Cite as: ImportDoor, U.S. Customs bill of lading data (data through August 2026), https://www.importdoor.com/products/731581-other-chain-stud-link
See all 22,806 shipments of HS 731581 with dates, ports, consignees, filters and CSV export in the ImportDoor dashboard.
Open in dashboardShipments by month (last 24 months)
Trade flow: top suppliers → U.S. importers
The strongest supplier-importer relationships for Other chain, stud link (HS 731581), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is COSMA AUTOMOTIVE SHANGHAI CO LT → ZF CHASSIS SYSTEMS DUNCAN LLC with 213 shipments, followed by SAN SHING FASTECH CORP → RIFAST SYSTEMS LLC (143) and KUBOTA CONSTRUCTION MACHINERY WUXI → KUBOTA INDUSTRIAL EQUIPMENT CORP (139).
Top U.S. importers
| Importer | Shipments |
|---|---|
| LGC US ASSET HOLDINGS LLC | 274 |
| FEDERAL MOGUL | 260 |
| CNH INDUSTRIAL AMERICA LLC | 221 |
| KUBOTA INDUSTRIAL EQUIPMENT CORP | 218 |
| ZF CHASSIS SYSTEMS DUNCAN LLC | 213 |
| CATERPILLAR INC | 207 |
| NEW YORK INDUSTRIAL INC | 175 |
| BARKSDALE INC | 149 |
| ARRAY TECHNOLOGIES INC | 142 |
| RIFAST SYSTEMS LLC | 137 |
Top suppliers
| Supplier | Shipments |
|---|---|
| SPEC PRODUCTS CORP | 350 |
| COSMA AUTOMOTIVE SHANGHAI CO LT | 213 |
| GOFAST CO LTD | 210 |
| KUBOTA CONSTRUCTION MACHINERY WUXI | 193 |
| SAN SHING FASTECH CORP | 192 |
| NINGBO DINGTUOIMPORT&EXPORTCO LTD | 188 |
| SUIHE GROUP | 187 |
| SHANGHAI ANTOU MACHINERY ACCESSORIE 15FA B H JINGHONG TOWER | 153 |
| SHANGHAI AOTE E COMMERCE CO LTD | 151 |
| DUROSHOX PVT LTD | 142 |
Origin countries
| Country | Shipments |
|---|---|
| CHINA | 13,025 |
| TAIWAN | 2,984 |
| REPUBLIC OF KOREA | 1,774 |
| INDIA | 1,268 |
| GERMANY | 567 |
| TURKEY | 343 |
| VIET NAM | 262 |
| JAPAN | 245 |
| HONG KONG | 210 |
| MEXICO | 164 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| LOS ANGELES, CA | 4,878 |
| LONG BEACH, CA | 4,375 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 3,259 |
| HOUSTON, TX | 1,963 |
| TACOMA, WA | 1,878 |
| SAVANNAH, GA | 1,384 |
| CHARLESTON, SC | 1,308 |
| SEATTLE, WA | 1,028 |
| NORFOLK, VA | 603 |
| OAKLAND, CA | 401 |
Harmonized System classification
HS code 731581 — Other chain, stud link. 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.
More products under HS 7315
Other six-digit codes in HS 7315: Chain and parts thereof, of iron or steel, with their U.S. import volume.
Frequently asked questions about importing Other chain, stud link
Who imports Other chain, stud link (HS 731581)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Other chain, stud link include LGC US ASSET HOLDINGS LLC, FEDERAL MOGUL, CNH INDUSTRIAL AMERICA LLC, KUBOTA INDUSTRIAL EQUIPMENT CORP, and ZF CHASSIS SYSTEMS DUNCAN LLC.
Who is the largest U.S. importer of Other chain, stud link?
LGC US ASSET HOLDINGS LLC is the largest U.S. importer of Other chain, stud link (HS 731581), with 274 bill-of-lading shipment records.
Who are the top suppliers of Other chain, stud link?
Leading suppliers shipping Other chain, stud link (HS 731581) to the U.S. include SPEC PRODUCTS CORP, COSMA AUTOMOTIVE SHANGHAI CO LT, GOFAST CO LTD, KUBOTA CONSTRUCTION MACHINERY WUXI, and SAN SHING FASTECH CORP.
How many U.S. shipments of Other chain, stud link are there?
ImportDoor has 22,806 U.S. import shipment records under HS code 731581, spanning May 2019 to Aug 2026.
Where is Other chain, stud link imported from?
Other chain, stud link is imported into the U.S. primarily from CHINA, TAIWAN, and REPUBLIC OF KOREA.
Find Other chain, stud link importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 731581, with contact details and container-level shipment records on ImportDoor.
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