Styrene-acrylonitrile (SAN) copolymers (HS 390320)
Styrene-acrylonitrile (SAN) copolymers (HS 390320) has 12,631 U.S. import bill-of-lading shipment records between Jan 2020 and Aug 2026. The largest U.S. importer of Styrene-acrylonitrile (SAN) copolymers is ACER AMERICA CORP, with 2,634 shipments, followed by PRICESMART INC and PLANTED VENTURES LLC. The leading supplier is ACER AMERICA CORP, with 2,627 shipments, followed by ITTELLA ITALY SRL and SANGER AUSTRALIA PTY. Goods originate mainly from CHINA and ITALY, arriving primarily at LOS ANGELES, 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 August 2026Cite as: ImportDoor, U.S. Customs bill of lading data (data through August 2026), https://www.importdoor.com/products/390320-styrene-acrylonitrile-san-copolymers
See all 12,631 shipments of HS 390320 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 Styrene-acrylonitrile (SAN) copolymers (HS 390320), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is ACER AMERICA CORP → ACER AMERICA CORP with 2,627 shipments, followed by ITTELLA ITALY SRL → PLANTED VENTURES LLC (505) and LG CHEM LTD → LG CHEM AMERICA INC (261).
Top U.S. importers
| Importer | Shipments |
|---|---|
| ACER AMERICA CORP | 2,634 |
| PRICESMART INC | 873 |
| PLANTED VENTURES LLC | 505 |
| LG CHEM AMERICA INC | 261 |
| TOY FACTORY LLC | 216 |
| LEVONI AMERICA CORP | 125 |
| LOTTE CHEMICAL ALABAMA CORP | 125 |
| PROCTER & GAMBLE INDOCHINA LTD | 117 |
| CORINTHIAN INC | 111 |
| WILD BULL SERVICES INC | 110 |
Top suppliers
| Supplier | Shipments |
|---|---|
| ACER AMERICA CORP | 2,627 |
| ITTELLA ITALY SRL | 505 |
| SANGER AUSTRALIA PTY | 405 |
| LOTTE CHEMICAL CORP | 382 |
| LG CHEM LTD | 330 |
| KUMHO PETROCHEMICAL CO LTD | 161 |
| LEVONI SPA | 125 |
| NANLIU ENTERPRISE PINGHU CO LTD | 121 |
| SAMSUNG ELECTRONICS CO LTD | 106 |
| ZHEJIANG HAPPY SMART FURNISHINGS CO | 89 |
Origin countries
| Country | Shipments |
|---|---|
| CHINA | 5,498 |
| ITALY | 1,345 |
| REPUBLIC OF KOREA | 1,219 |
| AUSTRALIA | 410 |
| SPAIN | 323 |
| BELGIUM | 296 |
| HONDURAS | 275 |
| THAILAND | 274 |
| JAPAN | 246 |
| MEXICO | 210 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| LOS ANGELES, CA | 3,719 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 1,612 |
| LONG BEACH, CA | 1,319 |
| HOUSTON, TX | 1,226 |
| MIAMI, FL | 1,145 |
| SAN JUAN, PUERTO RICO | 813 |
| SAVANNAH, GA | 550 |
| OAKLAND, CA | 342 |
| PHILADELPHIA, PA | 304 |
| TACOMA, WA | 282 |
Harmonized System classification
HS code 390320 — Styrene-acrylonitrile (SAN) copolymers. 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 3903
Other six-digit codes in HS 3903: Polymers of styrene, in primary forms, with their U.S. import volume.
| Product (HS code) | Shipments |
|---|---|
| Acrylonitrile-butadiene-styrene (ABS) copolymers (390330) | 69,799 |
| Polystyrene, expandable (390311) | 17,029 |
| Polymers of styrene, in primary forms, other (390390) | 6,900 |
| Polystyrene, other (390319) | 2,257 |
Frequently asked questions about importing Styrene-acrylonitrile (SAN) copolymers
Who imports Styrene-acrylonitrile (SAN) copolymers (HS 390320)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Styrene-acrylonitrile (SAN) copolymers include ACER AMERICA CORP, PRICESMART INC, PLANTED VENTURES LLC, LG CHEM AMERICA INC, and TOY FACTORY LLC.
Who is the largest U.S. importer of Styrene-acrylonitrile (SAN) copolymers?
ACER AMERICA CORP is the largest U.S. importer of Styrene-acrylonitrile (SAN) copolymers (HS 390320), with 2,634 bill-of-lading shipment records.
Who are the top suppliers of Styrene-acrylonitrile (SAN) copolymers?
Leading suppliers shipping Styrene-acrylonitrile (SAN) copolymers (HS 390320) to the U.S. include ACER AMERICA CORP, ITTELLA ITALY SRL, SANGER AUSTRALIA PTY, LOTTE CHEMICAL CORP, and LG CHEM LTD.
How many U.S. shipments of Styrene-acrylonitrile (SAN) copolymers are there?
ImportDoor has 12,631 U.S. import shipment records under HS code 390320, spanning Jan 2020 to Aug 2026.
Where is Styrene-acrylonitrile (SAN) copolymers imported from?
Styrene-acrylonitrile (SAN) copolymers is imported into the U.S. primarily from CHINA, ITALY, and REPUBLIC OF KOREA.
Find Styrene-acrylonitrile (SAN) copolymers importers & suppliers
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