Other poly(vinyl chloride), nonplasticized (HS 390421)
Other poly(vinyl chloride), nonplasticized (HS 390421) has 60,800 U.S. import bill-of-lading shipment records between Jan 2020 and Jul 2026. The largest U.S. importer of Other poly(vinyl chloride), nonplasticized is BUILDING PLASTICS INC, with 320 shipments, followed by SEKISUI SPECIALTY CHEMICALS AMERICA LLC and LITRANS LOGISTICA INTERNATIONAL DE. The leading supplier is AUGUST AMBER HK LIMITED, with 46,791 shipments, followed by YIWU DT SUPPLY CHAIN MANA NORTH SIDE OF CHUANGXIN and HANGZHOU WELL TRANS SUPPLY CHAIN MA. Goods originate mainly from CHINA and VIET NAM, 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 Other poly(vinyl chloride), nonplasticized (HS 390421), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is CFL → BUILDING PLASTICS INC with 315 shipments, followed by CFL → CFL USA LLC (95) and CFL → STANTON CARPET CORP (95).
Top U.S. importers
| Importer | Shipments |
|---|---|
| BUILDING PLASTICS INC | 320 |
| SEKISUI SPECIALTY CHEMICALS AMERICA LLC | 215 |
| LITRANS LOGISTICA INTERNATIONAL DE | 210 |
| SEKISUI PRODUCTS LLC | 209 |
| U S WIRE AND CABLE CORP | 142 |
Top suppliers
| Supplier | Shipments |
|---|---|
| AUGUST AMBER HK LIMITED | 46,791 |
| YIWU DT SUPPLY CHAIN MANA NORTH SIDE OF CHUANGXIN | 3,843 |
| HANGZHOU WELL TRANS SUPPLY CHAIN MA | 3,067 |
| CFL | 2,014 |
| JINGYUAN | 854 |
Origin countries
| Country | Shipments |
|---|---|
| CHINA | 58,133 |
| VIET NAM | 536 |
| JAPAN | 477 |
| REPUBLIC OF KOREA | 330 |
| THAILAND | 286 |
| MEXICO | 184 |
| N/A | 148 |
| BELGIUM | 110 |
| PORTUGAL | 63 |
| NETHERLANDS | 58 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| LONG BEACH, CA | 38,398 |
| LOS ANGELES, CA | 19,168 |
| SAVANNAH, GA | 719 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 481 |
| HOUSTON, TX | 448 |
| SEATTLE, WA | 329 |
| TACOMA, WA | 253 |
| CHARLESTON, SC | 152 |
| NORFOLK, VA | 143 |
| BALTIMORE, MD | 141 |
Harmonized System classification
HS code 390421 — Other poly(vinyl chloride), nonplasticized. 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 Other poly(vinyl chloride), nonplasticized
Who imports Other poly(vinyl chloride), nonplasticized (HS 390421)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Other poly(vinyl chloride), nonplasticized include BUILDING PLASTICS INC, SEKISUI SPECIALTY CHEMICALS AMERICA LLC, LITRANS LOGISTICA INTERNATIONAL DE, SEKISUI PRODUCTS LLC, and U S WIRE AND CABLE CORP.
Who is the largest U.S. importer of Other poly(vinyl chloride), nonplasticized?
BUILDING PLASTICS INC is the largest U.S. importer of Other poly(vinyl chloride), nonplasticized (HS 390421), with 320 bill-of-lading shipment records.
Who are the top suppliers of Other poly(vinyl chloride), nonplasticized?
Leading suppliers shipping Other poly(vinyl chloride), nonplasticized (HS 390421) to the U.S. include AUGUST AMBER HK LIMITED, YIWU DT SUPPLY CHAIN MANA NORTH SIDE OF CHUANGXIN, HANGZHOU WELL TRANS SUPPLY CHAIN MA, CFL, and JINGYUAN.
How many U.S. shipments of Other poly(vinyl chloride), nonplasticized are there?
ImportDoor has 60,800 U.S. import shipment records under HS code 390421, spanning Jan 2020 to Jul 2026.
Where is Other poly(vinyl chloride), nonplasticized imported from?
Other poly(vinyl chloride), nonplasticized is imported into the U.S. primarily from CHINA, VIET NAM, and JAPAN.
Find Other poly(vinyl chloride), nonplasticized importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 390421, with contact details and container-level shipment records on ImportDoor.
Start for free