Supported catalysts, other (HS 381519)
Supported catalysts, other (HS 381519) has 5,654 U.S. import bill-of-lading shipment records between Jun 2018 and Jun 2026. The largest U.S. importer of Supported catalysts, other is TECHEMET LP, with 279 shipments, followed by CANADIAN GENERAL TOWER LTD and BASF MOBILE EMISSIONS CATALYSTS LLC. The leading supplier is SINOPEC CATALYST CO LTD, with 338 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 June 2026
Shipments over time (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 164 shipments, followed by SINOPEC CATALYST CO LTD → VALERO MARKETING AND SUPPLY COMPANY (142) and CANADIAN GENERAL TOWER CHANGSHU C → CANADIAN GENERAL TOWER LTD (136).
Top U.S. importers
| Importer | Shipments |
|---|---|
| TECHEMET LP | 279 |
| CANADIAN GENERAL TOWER LTD | 153 |
| BASF MOBILE EMISSIONS CATALYSTS LLC | 145 |
| VALERO MARKETING AND SUPPLY COMPANY | 145 |
| UNIVATION TECHNOLOGIES LLC | 142 |
Top suppliers
| Supplier | Shipments |
|---|---|
| SINOPEC CATALYST CO LTD | 338 |
| ASAHI PRETEC CORP | 164 |
| CANADIAN GENERAL TOWER CHANGSHU C | 139 |
| BASF CATALYSTS SP Z O O | 113 |
| EQUATE PETROCHEMICAL COMPANY | 101 |
Origin countries
| Country | Shipments |
|---|---|
| CHINA | 1,460 |
| GERMANY | 657 |
| JAPAN | 608 |
| BELGIUM | 464 |
| REPUBLIC OF KOREA | 277 |
| CANADA | 193 |
| UNITED KINGDOM | 150 |
| KUWAIT | 142 |
| ITALY | 134 |
| YUGOSLAVIA | 104 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| HOUSTON, TX | 1,847 |
| LOS ANGELES, CA | 928 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 616 |
| LONG BEACH, CA | 508 |
| CHARLESTON, SC | 348 |
| NORFOLK, VA | 248 |
| SEATTLE, WA | 242 |
| SAVANNAH, GA | 185 |
| TACOMA, WA | 173 |
| OAKLAND, CA | 99 |
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.
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, CANADIAN GENERAL TOWER LTD, BASF MOBILE EMISSIONS CATALYSTS LLC, VALERO MARKETING AND SUPPLY COMPANY, 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 279 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 5,654 U.S. import shipment records under HS code 381519, spanning Jun 2018 to Jun 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
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