PROTERIAL LTD
PROTERIAL LTD is a supplier based in JAPAN with 1,855 U.S. import bill-of-lading shipment records between Feb 2023 and Jul 2026. It ranks #10 among suppliers of Permanent magnets and articles intended to become permanent magnets after magnetization, other (HS 850519) to the U.S. by shipment count. Its top U.S. customers include PROTERIAL AMERICA LTD, FEDERAL MOGUL S DE R L DE C V, and GSI EXIM AMERICA INC, primarily ships HS code 850519. Shipments arrive primarily at LOS ANGELES, CA. Shipment 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: products → U.S. importers
What PROTERIAL LTD 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 Permanent magnets and articles intended to become permanent mag… → PROTERIAL AMERICA LTD with 163 shipments, followed by Woven cloth, other → PROTERIAL AMERICA LTD (139) and Permanent magnets and articles intended to become permanent mag… → PROTERIAL AMERICA LTD (111).
Top U.S. customers
| Importer | Shipments |
|---|---|
| PROTERIAL AMERICA LTD | 1,401 |
| FEDERAL MOGUL S DE R L DE C V | 82 |
| GSI EXIM AMERICA INC | 69 |
| METGLAS INC | 61 |
| DIEHL TOOL STEEL INC | 48 |
Top products (HS codes)
Unlock PROTERIAL LTD’s full product & HS-code breakdownOrigin countries
| Country | Shipments |
|---|---|
| JAPAN | 1,755 |
| CYPRUS | 43 |
| CHINA | 40 |
| REPUBLIC OF KOREA | 14 |
| INDIA | 3 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| LOS ANGELES, CA | 1,398 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 174 |
| BALTIMORE, MD | 64 |
| SAVANNAH, GA | 47 |
| SEATTLE, WA | 44 |
| CHARLESTON, SC | 39 |
| TACOMA, WA | 33 |
| BOSTON, MA | 20 |
| NEW YORK, NY | 18 |
| NORFOLK, VA | 11 |
Frequently asked questions about PROTERIAL LTD
Who are PROTERIAL LTD's top U.S. customers?
Based on U.S. Customs bill-of-lading records, PROTERIAL LTD's top U.S. importers include PROTERIAL AMERICA LTD, FEDERAL MOGUL S DE R L DE C V, GSI EXIM AMERICA INC, METGLAS INC, and DIEHL TOOL STEEL INC.
What does PROTERIAL LTD export?
PROTERIAL LTD's most frequent shipments fall under HS codes 850519, 731419, and 722300.
Is PROTERIAL LTD a major supplier of Permanent magnets and articles intended to become permanent magnets after magnetization, other?
Yes — based on U.S. Customs bill-of-lading shipment counts, PROTERIAL LTD is the #10 supplier of Permanent magnets and articles intended to become permanent magnets after magnetization, other (HS 850519) to the U.S.
Where does PROTERIAL LTD ship from?
PROTERIAL LTD ships primarily from JAPAN, CYPRUS, and CHINA.
How many shipments does PROTERIAL LTD have?
ImportDoor has 1,855 U.S. import shipment records for PROTERIAL LTD, spanning Feb 2023 to Jul 2026.
Which U.S. ports does PROTERIAL LTD ship to?
PROTERIAL LTD's shipments arrive primarily at LOS ANGELES, CA and NEW YORK/NEWARK AREA, NEWARK, NJ.
Free import data resources
Classify any product with the free HS code lookup covering all 5,700+ subheadings with real U.S. import volumes, and read the quarterly State of U.S. Imports reports for volume trends, fastest-growing categories, top ports, and the largest suppliers.
Research PROTERIAL LTD’s full supply chain
Get the complete U.S. customer list, contact details, container-level shipment records, and competitor tracking on ImportDoor.
Start for free