Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined, fire-clay (HS 250830)
Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined, fire-clay (HS 250830) has 8,585 U.S. import bill-of-lading shipment records between Jan 2020 and Jul 2026. The largest U.S. importer of Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined, fire-clay is PENNINGTON SEED INC, with 1,518 shipments, followed by SHILDAN INC and DBA DEROMA USA MARSHALL POTTERY INC. The leading supplier is DBA DEROMA USA MARSHALL POTTERY INC, with 1,601 shipments, followed by AUGUST AMBER HK LIMITED and MOEDING KERAMIKFASSADEN GMBH. Goods originate mainly from CHINA and ITALY, arriving primarily at LONG BEACH, 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 July 2026
Shipments over time (last 24 months)
Trade flow: top suppliers → U.S. importers
The strongest supplier-importer relationships for Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined, fire-clay (HS 250830), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is DBA DEROMA USA MARSHALL POTTERY INC → PENNINGTON SEED INC with 1,518 shipments, followed by MOEDING KERAMIKFASSADEN GMBH → SHILDAN INC (583) and NUOVA DEROMA SRL → DBA DEROMA USA MARSHALL POTTERY INC (238).
Top U.S. importers
| Importer | Shipments |
|---|---|
| PENNINGTON SEED INC | 1,518 |
| SHILDAN INC | 591 |
| DBA DEROMA USA MARSHALL POTTERY INC | 430 |
| QIWANG TECHNOLOGY CO LTD | 128 |
| SOUTHERN CALIFORNIA POTTERY | 120 |
Top suppliers
| Supplier | Shipments |
|---|---|
| DBA DEROMA USA MARSHALL POTTERY INC | 1,601 |
| AUGUST AMBER HK LIMITED | 1,357 |
| MOEDING KERAMIKFASSADEN GMBH | 585 |
| NUOVA DEROMA SRL | 504 |
| DEROMA SPA | 386 |
Origin countries
| Country | Shipments |
|---|---|
| CHINA | 3,524 |
| ITALY | 2,212 |
| GERMANY | 603 |
| NORWAY | 434 |
| MEXICO | 192 |
| INDIA | 176 |
| SPAIN | 165 |
| UNITED KINGDOM | 151 |
| THAILAND | 97 |
| NETHERLANDS | 74 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| LONG BEACH, CA | 2,353 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 1,529 |
| LOS ANGELES, CA | 1,297 |
| HOUSTON, TX | 850 |
| NORFOLK, VA | 480 |
| SAVANNAH, GA | 422 |
| SEATTLE, WA | 291 |
| OAKLAND, CA | 259 |
| MIAMI, FL | 224 |
| NEW YORK, NY | 202 |
Harmonized System classification
HS code 250830 — Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined, fire-clay. 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 Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined, fire-clay
Who imports Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined, fire-clay (HS 250830)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined, fire-clay include PENNINGTON SEED INC, SHILDAN INC, DBA DEROMA USA MARSHALL POTTERY INC, QIWANG TECHNOLOGY CO LTD, and SOUTHERN CALIFORNIA POTTERY.
Who is the largest U.S. importer of Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined, fire-clay?
PENNINGTON SEED INC is the largest U.S. importer of Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined, fire-clay (HS 250830), with 1,518 bill-of-lading shipment records.
Who are the top suppliers of Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined, fire-clay?
Leading suppliers shipping Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined, fire-clay (HS 250830) to the U.S. include DBA DEROMA USA MARSHALL POTTERY INC, AUGUST AMBER HK LIMITED, MOEDING KERAMIKFASSADEN GMBH, NUOVA DEROMA SRL, and DEROMA SPA.
How many U.S. shipments of Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined, fire-clay are there?
ImportDoor has 8,585 U.S. import shipment records under HS code 250830, spanning Jan 2020 to Jul 2026.
Where is Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined, fire-clay imported from?
Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined, fire-clay is imported into the U.S. primarily from CHINA, ITALY, and GERMANY.
Find Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined, fire-clay importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 250830, with contact details and container-level shipment records on ImportDoor.
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