Machinery and apparatus for isotopic separation, and parts thereof (HS 840120)
Machinery and apparatus for isotopic separation, and parts thereof (HS 840120) has 630 U.S. import bill-of-lading shipment records between Jan 2020 and Aug 2026. The largest U.S. importer of Machinery and apparatus for isotopic separation, and parts thereof is CHRISTY CATALYTICS LLC, with 96 shipments, followed by PANASONIC PROCUREMENT CORP and ANDRITZ INC. The leading supplier is HANGZHOU WELL TRANS SUPPLY CHAIN MA, with 108 shipments, followed by PANASONIC INDUSTRIAL DEVICES QINGDA and CHRISTY CATALYTICS SHANGHAI TRADE 14TH. Goods originate mainly from CHINA and GERMANY, arriving primarily at LONG BEACH, CA. Import volume has declined 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/840120-machinery-and-apparatus-for-isotopic-separation-and-parts-thereof
See all 630 shipments of HS 840120 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 Machinery and apparatus for isotopic separation, and parts thereof (HS 840120), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is PANASONIC INDUSTRIAL DEVICES QINGDA → PANASONIC PROCUREMENT CORP with 90 shipments, followed by CHRISTY CATALYTICS SHANGHAI TRADE 14TH → CHRISTY CATALYTICS LLC (40) and CHRISTY CATALYTICS SHANGHAI TRADE CO LTD → CHRISTY CATALYTICS LLC (19).
Top U.S. importers
| Importer | Shipments |
|---|---|
| CHRISTY CATALYTICS LLC | 96 |
| PANASONIC PROCUREMENT CORP | 90 |
| ANDRITZ INC | 20 |
| JOSEPH JOSEPH INC | 18 |
| LINDE ENGINEERING NORTH AMERICA LL | 15 |
| FILTREC NORTH AMERICA INC | 10 |
| ISUZU NORTH AMERICA CORP | 9 |
| ECOVERSE INDUSTRIES LTD | 8 |
| UNIFRESH MARKETING LLC | 8 |
| LINDE ENGINEERING NORTH AMERICA LLC | 7 |
Top suppliers
| Supplier | Shipments |
|---|---|
| HANGZHOU WELL TRANS SUPPLY CHAIN MA | 108 |
| PANASONIC INDUSTRIAL DEVICES QINGDA | 93 |
| CHRISTY CATALYTICS SHANGHAI TRADE 14TH | 40 |
| CHRISTY CATALYTICS SHANGHAI TRADE CO LTD | 19 |
| ANDRITZ SLOVAKIA S R O | 18 |
| HUA YANG PLASTIC AND MOULD PRODUCTS LIMITED | 15 |
| LINDE GMBH | 12 |
| LINDE GMBH/ LINDE ENGINEERING | 12 |
| CHRISTY CATALYTICS SHANGHAI CO | 10 |
| BRIDGEMAN ECOSYSTEMS LTD | 9 |
Origin countries
| Country | Shipments |
|---|---|
| CHINA | 388 |
| GERMANY | 65 |
| ITALY | 26 |
| BELGIUM | 23 |
| NETHERLANDS | 14 |
| SPAIN | 12 |
| UNITED KINGDOM | 12 |
| IRELAND | 11 |
| JAPAN | 11 |
| REPUBLIC OF KOREA | 11 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| LONG BEACH, CA | 176 |
| HOUSTON, TX | 130 |
| LOS ANGELES, CA | 126 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 85 |
| NORFOLK, VA | 20 |
| CHARLESTON, SC | 17 |
| NEW YORK, NY | 9 |
| SAVANNAH, GA | 9 |
| SEATTLE, WA | 9 |
| TACOMA, WA | 9 |
Harmonized System classification
HS code 840120 — Machinery and apparatus for isotopic separation, and parts thereof. 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 8401
Other six-digit codes in HS 8401: Nuclear reactors, with their U.S. import volume.
| Product (HS code) | Shipments |
|---|---|
| Fuel elements (cartridges), non-irradiated, and parts thereof (840130) | 1,876 |
| Nuclear reactors, nuclear reactors (840110) | 132 |
Frequently asked questions about importing Machinery and apparatus for isotopic separation, and parts thereof
Who imports Machinery and apparatus for isotopic separation, and parts thereof (HS 840120)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Machinery and apparatus for isotopic separation, and parts thereof include CHRISTY CATALYTICS LLC, PANASONIC PROCUREMENT CORP, ANDRITZ INC, JOSEPH JOSEPH INC, and LINDE ENGINEERING NORTH AMERICA LL.
Who is the largest U.S. importer of Machinery and apparatus for isotopic separation, and parts thereof?
CHRISTY CATALYTICS LLC is the largest U.S. importer of Machinery and apparatus for isotopic separation, and parts thereof (HS 840120), with 96 bill-of-lading shipment records.
Who are the top suppliers of Machinery and apparatus for isotopic separation, and parts thereof?
Leading suppliers shipping Machinery and apparatus for isotopic separation, and parts thereof (HS 840120) to the U.S. include HANGZHOU WELL TRANS SUPPLY CHAIN MA, PANASONIC INDUSTRIAL DEVICES QINGDA, CHRISTY CATALYTICS SHANGHAI TRADE 14TH, CHRISTY CATALYTICS SHANGHAI TRADE CO LTD, and ANDRITZ SLOVAKIA S R O.
How many U.S. shipments of Machinery and apparatus for isotopic separation, and parts thereof are there?
ImportDoor has 630 U.S. import shipment records under HS code 840120, spanning Jan 2020 to Aug 2026.
Where is Machinery and apparatus for isotopic separation, and parts thereof imported from?
Machinery and apparatus for isotopic separation, and parts thereof is imported into the U.S. primarily from CHINA, GERMANY, and ITALY.
Find Machinery and apparatus for isotopic separation, and parts thereof importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 840120, with contact details and container-level shipment records on ImportDoor.
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