Mattresses of cellular rubber or plastics, whether or not covered (HS 940421)
Mattresses of cellular rubber or plastics, whether or not covered (HS 940421) has 6,283 U.S. import bill-of-lading shipment records between Jul 2019 and Jul 2026. The largest U.S. importer of Mattresses of cellular rubber or plastics, whether or not covered is MIRSA MANUFACTURING LLC, with 232 shipments, followed by NEO HOME and HT WINDOW FASHIONS CORP. The leading supplier is HONOR HOME LAOS SOLE CO LTD, with 369 shipments, followed by EVER WANT M SDN BHD and PT ZINUS GLOBAL INDONESIA. Goods originate mainly from CHINA and INDONESIA, arriving primarily at LOS ANGELES, 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 July 2026
Shipments over time (last 24 months)
Trade flow: top suppliers → U.S. importers
The strongest supplier-importer relationships for Mattresses of cellular rubber or plastics, whether or not covered (HS 940421), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is SUZHOU SHIN ETSU POLYMER CO LTD → MIRSA MANUFACTURING LLC with 232 shipments, followed by HONOR HOME LAOS SOLE CO LTD → NEO HOME (195) and PT ZINUS GLOBAL INDONESIA → ZINUS INC (137).
Top U.S. importers
| Importer | Shipments |
|---|---|
| MIRSA MANUFACTURING LLC | 232 |
| NEO HOME | 196 |
| HT WINDOW FASHIONS CORP | 188 |
| ZINUS INC | 187 |
| GRAND LIFE INC | 185 |
Top suppliers
| Supplier | Shipments |
|---|---|
| HONOR HOME LAOS SOLE CO LTD | 369 |
| EVER WANT M SDN BHD | 309 |
| PT ZINUS GLOBAL INDONESIA | 271 |
| SUZHOU SHIN ETSU POLYMER CO LTD | 236 |
| GLORY HOME MYANMAR LIMITED | 212 |
Origin countries
| Country | Shipments |
|---|---|
| CHINA | 1,443 |
| INDONESIA | 958 |
| TAIWAN | 705 |
| THAILAND | 620 |
| VIET NAM | 501 |
| MALAYSIA | 466 |
| SINGAPORE | 309 |
| MYANMAR | 208 |
| REPUBLIC OF KOREA | 173 |
| ITALY | 157 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| LOS ANGELES, CA | 1,649 |
| LONG BEACH, CA | 1,175 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 862 |
| SAVANNAH, GA | 738 |
| TACOMA, WA | 327 |
| OAKLAND, CA | 315 |
| HOUSTON, TX | 262 |
| CHARLESTON, SC | 261 |
| NORFOLK, VA | 157 |
| SEATTLE, WA | 124 |
Harmonized System classification
HS code 940421 — Mattresses of cellular rubber or plastics, whether or not covered. 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 Mattresses of cellular rubber or plastics, whether or not covered
Who imports Mattresses of cellular rubber or plastics, whether or not covered (HS 940421)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Mattresses of cellular rubber or plastics, whether or not covered include MIRSA MANUFACTURING LLC, NEO HOME, HT WINDOW FASHIONS CORP, ZINUS INC, and GRAND LIFE INC.
Who is the largest U.S. importer of Mattresses of cellular rubber or plastics, whether or not covered?
MIRSA MANUFACTURING LLC is the largest U.S. importer of Mattresses of cellular rubber or plastics, whether or not covered (HS 940421), with 232 bill-of-lading shipment records.
Who are the top suppliers of Mattresses of cellular rubber or plastics, whether or not covered?
Leading suppliers shipping Mattresses of cellular rubber or plastics, whether or not covered (HS 940421) to the U.S. include HONOR HOME LAOS SOLE CO LTD, EVER WANT M SDN BHD, PT ZINUS GLOBAL INDONESIA, SUZHOU SHIN ETSU POLYMER CO LTD, and GLORY HOME MYANMAR LIMITED.
How many U.S. shipments of Mattresses of cellular rubber or plastics, whether or not covered are there?
ImportDoor has 6,283 U.S. import shipment records under HS code 940421, spanning Jul 2019 to Jul 2026.
Where is Mattresses of cellular rubber or plastics, whether or not covered imported from?
Mattresses of cellular rubber or plastics, whether or not covered is imported into the U.S. primarily from CHINA, INDONESIA, and TAIWAN.
Find Mattresses of cellular rubber or plastics, whether or not covered importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 940421, with contact details and container-level shipment records on ImportDoor.
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