Incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps) (HS 841581)
Incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps) (HS 841581) has 46,803 U.S. import bill-of-lading shipment records between May 2018 and Jul 2026. The largest U.S. importer of Incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps) is BRAY CONTROLS USA, with 1,330 shipments, followed by WORLDWIDE OILFIELD MACHINE INC and FLOW TEK INC. The leading supplier is BRAY CHINA CONTROLS CO LTD, with 2,103 shipments, followed by JINGYUAN and DELTA ELECTRONICS INC. Goods originate mainly from CHINA and REPUBLIC OF KOREA, 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 Incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps) (HS 841581), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is BRAY CHINA CONTROLS CO LTD → BRAY CONTROLS USA with 808 shipments, followed by BRAY CHINA CONTROLS CO LTD → FLOW TEK INC (563) and DELTA ELECTRONICS INC → DELTA ELECTRONICS USA INC (563).
Top U.S. importers
| Importer | Shipments |
|---|---|
| BRAY CONTROLS USA | 1,330 |
| WORLDWIDE OILFIELD MACHINE INC | 713 |
| FLOW TEK INC | 692 |
| BRAY COMMERCIAL DIVISION | 576 |
| DELTA ELECTRONICS USA INC | 564 |
Top suppliers
| Supplier | Shipments |
|---|---|
| BRAY CHINA CONTROLS CO LTD | 2,103 |
| JINGYUAN | 719 |
| DELTA ELECTRONICS INC | 564 |
| WORLDWIDE OILFIELD MACHINE P LTD | 476 |
| EMERSON AUTOMATION SOLUTIONS FINAL | 377 |
Origin countries
| Country | Shipments |
|---|---|
| CHINA | 29,689 |
| REPUBLIC OF KOREA | 3,903 |
| INDIA | 2,141 |
| TAIWAN | 2,044 |
| GERMANY | 1,625 |
| THAILAND | 894 |
| ITALY | 686 |
| JAPAN | 645 |
| UNITED KINGDOM | 590 |
| VIET NAM | 471 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| LONG BEACH, CA | 10,308 |
| LOS ANGELES, CA | 9,881 |
| HOUSTON, TX | 8,964 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 6,252 |
| TACOMA, WA | 2,337 |
| CHARLESTON, SC | 1,902 |
| SAVANNAH, GA | 1,670 |
| SEATTLE, WA | 1,381 |
| NORFOLK, VA | 995 |
| NEW YORK, NY | 830 |
Harmonized System classification
HS code 841581 — Incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps). 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 Incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps)
Who imports Incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps) (HS 841581)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps) include BRAY CONTROLS USA, WORLDWIDE OILFIELD MACHINE INC, FLOW TEK INC, BRAY COMMERCIAL DIVISION, and DELTA ELECTRONICS USA INC.
Who is the largest U.S. importer of Incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps)?
BRAY CONTROLS USA is the largest U.S. importer of Incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps) (HS 841581), with 1,330 bill-of-lading shipment records.
Who are the top suppliers of Incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps)?
Leading suppliers shipping Incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps) (HS 841581) to the U.S. include BRAY CHINA CONTROLS CO LTD, JINGYUAN, DELTA ELECTRONICS INC, WORLDWIDE OILFIELD MACHINE P LTD, and EMERSON AUTOMATION SOLUTIONS FINAL.
How many U.S. shipments of Incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps) are there?
ImportDoor has 46,803 U.S. import shipment records under HS code 841581, spanning May 2018 to Jul 2026.
Where is Incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps) imported from?
Incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps) is imported into the U.S. primarily from CHINA, REPUBLIC OF KOREA, and INDIA.
Find Incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps) importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 841581, with contact details and container-level shipment records on ImportDoor.
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