Supported catalysts, other (HS 381519)
Supported catalysts, other (HS 381519) has 6,382 U.S. import bill-of-lading shipment records between Jun 2018 and Aug 2026. The largest U.S. importer of Supported catalysts, other is TECHEMET LP, with 336 shipments, followed by VALERO MARKETING AND SUPPLY COMPANY and CANADIAN GENERAL TOWER LTD. The leading supplier is SINOPEC CATALYST CO LTD, with 382 shipments, followed by ASAHI PRETEC CORP and CANADIAN GENERAL TOWER CHANGSHU C. Goods originate mainly from CHINA and GERMANY, 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 August 2026Cite as: ImportDoor, U.S. Customs bill of lading data (data through August 2026), https://www.importdoor.com/products/381519-supported-catalysts-other
See all 6,382 shipments of HS 381519 with dates, ports, consignees, filters and CSV export in the ImportDoor dashboard.
Open in dashboardShipments by month (last 24 months)
Trade flow: top suppliers → U.S. importers
The strongest supplier-importer relationships for Supported catalysts, other (HS 381519), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is ASAHI PRETEC CORP → TECHEMET LP with 209 shipments, followed by SINOPEC CATALYST CO LTD → VALERO MARKETING AND SUPPLY COMPANY (165) and CANADIAN GENERAL TOWER CHANGSHU C → CANADIAN GENERAL TOWER LTD (141).
Top U.S. importers
| Importer | Shipments |
|---|---|
| TECHEMET LP | 336 |
| VALERO MARKETING AND SUPPLY COMPANY | 168 |
| CANADIAN GENERAL TOWER LTD | 159 |
| BASF MOBILE EMISSIONS CATALYSTS LLC | 158 |
| UNIVATION TECHNOLOGIES LLC | 158 |
| PACIFIC INDUSTRIAL DEVELOPMENT CORP | 130 |
| ECOVYST CATALYST TECHNOLOGIES | 109 |
| EQUILIBRIUM CATALYST INC | 102 |
| NEO CHEMICALS AND OXIDES LLC | 96 |
| DOW SILICONES CORP | 83 |
Top suppliers
| Supplier | Shipments |
|---|---|
| SINOPEC CATALYST CO LTD | 382 |
| ASAHI PRETEC CORP | 209 |
| CANADIAN GENERAL TOWER CHANGSHU C | 146 |
| BASF CATALYSTS SP Z O O | 121 |
| EQUATE PETROCHEMICAL COMPANY | 114 |
| PQ SILICAS UK LIMITED | 112 |
| WEIHAI PIDC NEW MATERIALS CO LTD | 112 |
| FENGCHENG EASTERN TURBOCHARGER MANU | 104 |
| CATALYST PULP AND PAPER SALES INC | 103 |
| DOW EUROPE GMBH C/O DSV LOGISTICS | 101 |
Origin countries
| Country | Shipments |
|---|---|
| CHINA | 1,667 |
| GERMANY | 726 |
| JAPAN | 682 |
| BELGIUM | 511 |
| REPUBLIC OF KOREA | 312 |
| CANADA | 229 |
| UNITED KINGDOM | 163 |
| KUWAIT | 158 |
| ITALY | 150 |
| YUGOSLAVIA | 130 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| HOUSTON, TX | 2,054 |
| LOS ANGELES, CA | 1,088 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 681 |
| LONG BEACH, CA | 563 |
| CHARLESTON, SC | 391 |
| SEATTLE, WA | 277 |
| NORFOLK, VA | 272 |
| SAVANNAH, GA | 233 |
| TACOMA, WA | 201 |
| OAKLAND, CA | 111 |
Harmonized System classification
HS code 381519 — Supported catalysts, other. 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.
More products under HS 3815
Other six-digit codes in HS 3815: Reaction initiators, reaction accelerators and catalytic preparations, with their U.S. import volume.
Frequently asked questions about importing Supported catalysts, other
Who imports Supported catalysts, other (HS 381519)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Supported catalysts, other include TECHEMET LP, VALERO MARKETING AND SUPPLY COMPANY, CANADIAN GENERAL TOWER LTD, BASF MOBILE EMISSIONS CATALYSTS LLC, and UNIVATION TECHNOLOGIES LLC.
Who is the largest U.S. importer of Supported catalysts, other?
TECHEMET LP is the largest U.S. importer of Supported catalysts, other (HS 381519), with 336 bill-of-lading shipment records.
Who are the top suppliers of Supported catalysts, other?
Leading suppliers shipping Supported catalysts, other (HS 381519) to the U.S. include SINOPEC CATALYST CO LTD, ASAHI PRETEC CORP, CANADIAN GENERAL TOWER CHANGSHU C, BASF CATALYSTS SP Z O O, and EQUATE PETROCHEMICAL COMPANY.
How many U.S. shipments of Supported catalysts, other are there?
ImportDoor has 6,382 U.S. import shipment records under HS code 381519, spanning Jun 2018 to Aug 2026.
Where is Supported catalysts, other imported from?
Supported catalysts, other is imported into the U.S. primarily from CHINA, GERMANY, and JAPAN.
Find Supported catalysts, other importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 381519, with contact details and container-level shipment records on ImportDoor.
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