Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms (HS 391400)
Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms (HS 391400) has 8,641 U.S. import bill-of-lading shipment records between Jan 2020 and Jun 2026. The largest U.S. importer of Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms is THERMAX INC, with 1,189 shipments, followed by ION EXCHANGE LLC and PUROLITE CORP. The leading supplier is THERMAX LIMITED, with 1,343 shipments, followed by KINGDOM CHEMICALS CO LTD and PURE RESIN CO LTD. Goods originate mainly from CHINA and INDIA, arriving primarily at NEW YORK/NEWARK AREA, NEWARK, NJ. Import volume has held steady over the past 12 months versus the prior year.
Sourced from U.S. Customs bill of lading data · Updated monthly · Data through June 2026
Shipments over time (last 24 months)
Trade flow: top suppliers → U.S. importers
The strongest supplier-importer relationships for Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms (HS 391400), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is THERMAX LIMITED → THERMAX INC with 1,188 shipments, followed by ION EXCHANGE INDIA LTD → ION EXCHANGE LLC (440) and PUROLITE CHINA CO LTD → PUROLITE CORP (400).
Top U.S. importers
| Importer | Shipments |
|---|---|
| THERMAX INC | 1,189 |
| ION EXCHANGE LLC | 744 |
| PUROLITE CORP | 466 |
| RESINTECH INC | 409 |
| GRAVER TECHNOLOGIES | 342 |
Top suppliers
| Supplier | Shipments |
|---|---|
| THERMAX LIMITED | 1,343 |
| KINGDOM CHEMICALS CO LTD | 679 |
| PURE RESIN CO LTD | 593 |
| PUROLITE CHINA CO LTD | 591 |
| ION EXCHANGE INDIA LTD | 457 |
Origin countries
| Country | Shipments |
|---|---|
| CHINA | 4,190 |
| INDIA | 2,443 |
| BELGIUM | 293 |
| JAPAN | 170 |
| REPUBLIC OF KOREA | 162 |
| FRANCE | 146 |
| GERMANY | 143 |
| ROMANIA | 138 |
| IRELAND | 111 |
| SPAIN | 82 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| NEW YORK/NEWARK AREA, NEWARK, NJ | 3,008 |
| LOS ANGELES, CA | 969 |
| LONG BEACH, CA | 964 |
| HOUSTON, TX | 957 |
| SAVANNAH, GA | 614 |
| NORFOLK, VA | 449 |
| NEW YORK, NY | 379 |
| TACOMA, WA | 346 |
| SEATTLE, WA | 204 |
| PHILADELPHIA, PA | 167 |
Harmonized System classification
HS code 391400 — Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms. The Harmonized System is the international standard for classifying traded goods; U.S. Customs records this 6-digit code on every bill of lading.
Frequently asked questions about importing Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms
Who imports Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms (HS 391400)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms include THERMAX INC, ION EXCHANGE LLC, PUROLITE CORP, RESINTECH INC, and GRAVER TECHNOLOGIES.
Who is the largest U.S. importer of Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms?
THERMAX INC is the largest U.S. importer of Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms (HS 391400), with 1,189 bill-of-lading shipment records.
Who are the top suppliers of Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms?
Leading suppliers shipping Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms (HS 391400) to the U.S. include THERMAX LIMITED, KINGDOM CHEMICALS CO LTD, PURE RESIN CO LTD, PUROLITE CHINA CO LTD, and ION EXCHANGE INDIA LTD.
How many U.S. shipments of Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms are there?
ImportDoor has 8,641 U.S. import shipment records under HS code 391400, spanning Jan 2020 to Jun 2026.
Where is Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms imported from?
Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms is imported into the U.S. primarily from CHINA, INDIA, and BELGIUM.
Find Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 391400, with contact details and container-level shipment records on ImportDoor.
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