Linear acting (cylinders) (HS 841231)
Linear acting (cylinders) (HS 841231) has 61,669 U.S. import bill-of-lading shipment records between Sep 2018 and Jul 2026. The largest U.S. importer of Linear acting (cylinders) is CRIMSONLOGIC US INC, with 920 shipments, followed by CUSTOM HOISTS INC and FOX FACTORY INC. The leading supplier is AUGUST AMBER HK LIMITED, with 4,155 shipments, followed by HANGZHOU WELL TRANS SUPPLY CHAIN MA and HAINAN GOLDEN SHELL CO LTD. Goods originate mainly from CHINA and INDIA, 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 Linear acting (cylinders) (HS 841231), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is HAINAN GOLDEN SHELL CO LTD → JOHN PARKER with 23 shipments, followed by HAINAN GOLDEN SHELL CO LTD → XING SUN (16) and HANGZHOU WELL TRANS SUPPLY CHAIN MA → ANTONIO WILLIAMS (11).
Top U.S. importers
| Importer | Shipments |
|---|---|
| CRIMSONLOGIC US INC | 920 |
| CUSTOM HOISTS INC | 899 |
| FOX FACTORY INC | 633 |
| NUOVO INTERNATIONAL LLC | 501 |
| PARADIIGM LLC | 452 |
Top suppliers
| Supplier | Shipments |
|---|---|
| AUGUST AMBER HK LIMITED | 4,155 |
| HANGZHOU WELL TRANS SUPPLY CHAIN MA | 3,886 |
| HAINAN GOLDEN SHELL CO LTD | 3,358 |
| YIWU DT SUPPLY CHAIN MANA NORTH SIDE OF CHUANGXIN | 1,474 |
| TWTH EXPRESS CO LTD | 1,023 |
Origin countries
| Country | Shipments |
|---|---|
| CHINA | 45,377 |
| INDIA | 3,099 |
| REPUBLIC OF KOREA | 2,884 |
| TAIWAN | 1,912 |
| GERMANY | 1,283 |
| THAILAND | 657 |
| FRANCE | 644 |
| BRAZIL | 642 |
| VIET NAM | 601 |
| TURKEY | 376 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| LONG BEACH, CA | 20,978 |
| LOS ANGELES, CA | 14,870 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 6,476 |
| TACOMA, WA | 3,155 |
| HOUSTON, TX | 2,645 |
| CHARLESTON, SC | 2,591 |
| SAVANNAH, GA | 2,327 |
| SEATTLE, WA | 1,786 |
| OAKLAND, CA | 1,387 |
| NORFOLK, VA | 1,300 |
Harmonized System classification
HS code 841231 — Linear acting (cylinders). 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 Linear acting (cylinders)
Who imports Linear acting (cylinders) (HS 841231)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Linear acting (cylinders) include CRIMSONLOGIC US INC, CUSTOM HOISTS INC, FOX FACTORY INC, NUOVO INTERNATIONAL LLC, and PARADIIGM LLC.
Who is the largest U.S. importer of Linear acting (cylinders)?
CRIMSONLOGIC US INC is the largest U.S. importer of Linear acting (cylinders) (HS 841231), with 920 bill-of-lading shipment records.
Who are the top suppliers of Linear acting (cylinders)?
Leading suppliers shipping Linear acting (cylinders) (HS 841231) to the U.S. include AUGUST AMBER HK LIMITED, HANGZHOU WELL TRANS SUPPLY CHAIN MA, HAINAN GOLDEN SHELL CO LTD, YIWU DT SUPPLY CHAIN MANA NORTH SIDE OF CHUANGXIN, and TWTH EXPRESS CO LTD.
How many U.S. shipments of Linear acting (cylinders) are there?
ImportDoor has 61,669 U.S. import shipment records under HS code 841231, spanning Sep 2018 to Jul 2026.
Where is Linear acting (cylinders) imported from?
Linear acting (cylinders) is imported into the U.S. primarily from CHINA, INDIA, and REPUBLIC OF KOREA.
Find Linear acting (cylinders) importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 841231, with contact details and container-level shipment records on ImportDoor.
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