Ammonium sulfate, ammonium sulfate (HS 310221)
Ammonium sulfate, ammonium sulfate (HS 310221) has 2,602 U.S. import bill-of-lading shipment records between Nov 2019 and Jul 2026. The largest U.S. importer of Ammonium sulfate, ammonium sulfate is BUDENHEIM USA INC, with 254 shipments, followed by BASF AGRICULTURAL SOLUTIONS US LLC and SOLENIS LLC. The leading supplier is LIER CHEMICAL CO LTD, with 215 shipments, followed by BUDENHEIM FINE CHEMICALS SHANGHAI and SCL ITALIA SPA. Goods originate mainly from CHINA and GERMANY, 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 Ammonium sulfate, ammonium sulfate (HS 310221), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is BUDENHEIM FINE CHEMICALS SHANGHAI → BUDENHEIM USA INC with 142 shipments, followed by LIER CHEMICAL CO LTD → BASF AGRICULTURAL SOLUTIONS US LLC (115) and NINGBO TIDEIMPORT&EXPORTCO LTD → TIDE INTERNATIONAL USA INC (50).
Top U.S. importers
| Importer | Shipments |
|---|---|
| BUDENHEIM USA INC | 254 |
| BASF AGRICULTURAL SOLUTIONS US LLC | 115 |
| SOLENIS LLC | 105 |
| TIDE INTERNATIONAL USA INC | 74 |
| HFFR PRODUCTS LLC | 69 |
Top suppliers
| Supplier | Shipments |
|---|---|
| LIER CHEMICAL CO LTD | 215 |
| BUDENHEIM FINE CHEMICALS SHANGHAI | 142 |
| SCL ITALIA SPA | 80 |
| JIANGXI TUNGSTEN CORP | 68 |
| NINGBO TIDEIMPORT&EXPORTCO LTD | 59 |
Origin countries
| Country | Shipments |
|---|---|
| CHINA | 1,557 |
| GERMANY | 171 |
| BELGIUM | 134 |
| REPUBLIC OF KOREA | 120 |
| INDIA | 84 |
| ITALY | 77 |
| SPAIN | 62 |
| TAIWAN | 55 |
| FRANCE | 43 |
| N/A | 38 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| LONG BEACH, CA | 355 |
| TACOMA, WA | 325 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 316 |
| LOS ANGELES, CA | 288 |
| HOUSTON, TX | 250 |
| SAVANNAH, GA | 244 |
| SEATTLE, WA | 158 |
| CHARLESTON, SC | 116 |
| NORFOLK, VA | 115 |
| NEW ORLEANS, LA | 104 |
Harmonized System classification
HS code 310221 — Ammonium sulfate, ammonium sulfate. 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 Ammonium sulfate, ammonium sulfate
Who imports Ammonium sulfate, ammonium sulfate (HS 310221)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Ammonium sulfate, ammonium sulfate include BUDENHEIM USA INC, BASF AGRICULTURAL SOLUTIONS US LLC, SOLENIS LLC, TIDE INTERNATIONAL USA INC, and HFFR PRODUCTS LLC.
Who is the largest U.S. importer of Ammonium sulfate, ammonium sulfate?
BUDENHEIM USA INC is the largest U.S. importer of Ammonium sulfate, ammonium sulfate (HS 310221), with 254 bill-of-lading shipment records.
Who are the top suppliers of Ammonium sulfate, ammonium sulfate?
Leading suppliers shipping Ammonium sulfate, ammonium sulfate (HS 310221) to the U.S. include LIER CHEMICAL CO LTD, BUDENHEIM FINE CHEMICALS SHANGHAI, SCL ITALIA SPA, JIANGXI TUNGSTEN CORP, and NINGBO TIDEIMPORT&EXPORTCO LTD.
How many U.S. shipments of Ammonium sulfate, ammonium sulfate are there?
ImportDoor has 2,602 U.S. import shipment records under HS code 310221, spanning Nov 2019 to Jul 2026.
Where is Ammonium sulfate, ammonium sulfate imported from?
Ammonium sulfate, ammonium sulfate is imported into the U.S. primarily from CHINA, GERMANY, and BELGIUM.
Find Ammonium sulfate, ammonium sulfate importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 310221, with contact details and container-level shipment records on ImportDoor.
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