Sulfates, alums (HS 283330)
Sulfates, alums (HS 283330) has 161 U.S. import bill-of-lading shipment records between Jan 2020 and Jul 2026. The largest U.S. importer of Sulfates, alums is CATALER NORTH AMERICA CORP, with 16 shipments, followed by ELETRO MANGANES LTDA and UNISOURCE S A DE C V. The leading supplier is ZINC INTERNATIONAL S A, with 39 shipments, followed by CATALER CORP and BUDENHEIM MEXICO S A DE C V. Goods originate mainly from MEXICO and JAPAN, arriving primarily at HOUSTON, TX. 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 Sulfates, alums (HS 283330), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is CATALER CORP → CATALER NORTH AMERICA CORP with 16 shipments, followed by ZINC INTERNATIONAL S A → ELETRO MANGANES LTDA (14) and LENZING AKTIENGESELLSCHAFT → UNISOURCE S A DE C V (10).
Top U.S. importers
| Importer | Shipments |
|---|---|
| CATALER NORTH AMERICA CORP | 16 |
| ELETRO MANGANES LTDA | 14 |
| UNISOURCE S A DE C V | 10 |
| BAIKOWSKI INTERNATIONAL CORP | 9 |
| LAFES NATURAL BODYCARE | 9 |
Top suppliers
| Supplier | Shipments |
|---|---|
| ZINC INTERNATIONAL S A | 39 |
| CATALER CORP | 16 |
| BUDENHEIM MEXICO S A DE C V | 14 |
| LENZING AKTIENGESELLSCHAFT | 10 |
| BAIKOWSKI | 8 |
Origin countries
| Country | Shipments |
|---|---|
| MEXICO | 56 |
| JAPAN | 27 |
| FRANCE | 16 |
| INDIA | 16 |
| CHINA | 12 |
| AUSTRIA | 10 |
| SPAIN | 7 |
| BELGIUM | 6 |
| BAHAMAS | 3 |
| PERU | 2 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| HOUSTON, TX | 45 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 36 |
| CHARLESTON, SC | 32 |
| JACKSONVILLE, FL | 10 |
| LOS ANGELES, CA | 9 |
| NEW YORK, NY | 5 |
| SAVANNAH, GA | 5 |
| TACOMA, WA | 5 |
| BOSTON, MA | 4 |
| LONG BEACH, CA | 4 |
Harmonized System classification
HS code 283330 — Sulfates, alums. 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 Sulfates, alums
Who imports Sulfates, alums (HS 283330)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Sulfates, alums include CATALER NORTH AMERICA CORP, ELETRO MANGANES LTDA, UNISOURCE S A DE C V, BAIKOWSKI INTERNATIONAL CORP, and LAFES NATURAL BODYCARE.
Who is the largest U.S. importer of Sulfates, alums?
CATALER NORTH AMERICA CORP is the largest U.S. importer of Sulfates, alums (HS 283330), with 16 bill-of-lading shipment records.
Who are the top suppliers of Sulfates, alums?
Leading suppliers shipping Sulfates, alums (HS 283330) to the U.S. include ZINC INTERNATIONAL S A, CATALER CORP, BUDENHEIM MEXICO S A DE C V, LENZING AKTIENGESELLSCHAFT, and BAIKOWSKI.
How many U.S. shipments of Sulfates, alums are there?
ImportDoor has 161 U.S. import shipment records under HS code 283330, spanning Jan 2020 to Jul 2026.
Where is Sulfates, alums imported from?
Sulfates, alums is imported into the U.S. primarily from MEXICO, JAPAN, and FRANCE.
Find Sulfates, alums importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 283330, with contact details and container-level shipment records on ImportDoor.
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