Polyphenols, other (HS 290729)
Polyphenols, other (HS 290729) has 722 U.S. import bill-of-lading shipment records between Jan 2020 and May 2026. The largest U.S. importer of Polyphenols, other is SONGWON INTERNATIONAL AMERICAS INC, with 84 shipments, followed by SI GROUP and UBE AMERICA INC. The leading supplier is SONGWON INDUSTRIAL CO LTD, with 80 shipments, followed by SI GROUP and CAMLIN FINE SCIENCES LTD. Goods originate mainly from INDIA and JAPAN, arriving primarily at NEW YORK/NEWARK AREA, NEWARK, NJ. 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 May 2026
Shipments over time (last 24 months)
Trade flow: top suppliers → U.S. importers
The strongest supplier-importer relationships for Polyphenols, other (HS 290729), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is SONGWON INDUSTRIAL CO LTD → SONGWON INTERNATIONAL AMERICAS INC with 79 shipments, followed by SI GROUP → SI GROUP (41) and TIARCO CHEMICAL EUROPE GMBH → TIARCO CHEMICAL (35).
Top U.S. importers
| Importer | Shipments |
|---|---|
| SONGWON INTERNATIONAL AMERICAS INC | 84 |
| SI GROUP | 41 |
| UBE AMERICA INC | 39 |
| SABIC INNOVATIVE PLASTICS US LLC | 36 |
| TIARCO CHEMICAL | 35 |
Top suppliers
| Supplier | Shipments |
|---|---|
| SONGWON INDUSTRIAL CO LTD | 80 |
| SI GROUP | 56 |
| CAMLIN FINE SCIENCES LTD | 42 |
| UBE INDUSTRIES LTD | 39 |
| TIARCO CHEMICAL EUROPE GMBH | 35 |
Origin countries
| Country | Shipments |
|---|---|
| INDIA | 225 |
| JAPAN | 103 |
| REPUBLIC OF KOREA | 96 |
| FRANCE | 73 |
| GERMANY | 56 |
| CHINA | 53 |
| CYPRUS | 34 |
| BELGIUM | 31 |
| ROMANIA | 10 |
| SPAIN | 8 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| NEW YORK/NEWARK AREA, NEWARK, NJ | 149 |
| HOUSTON, TX | 142 |
| CHARLESTON, SC | 108 |
| NORFOLK, VA | 88 |
| NEW ORLEANS, LA | 68 |
| OAKLAND, CA | 56 |
| SAVANNAH, GA | 39 |
| LOS ANGELES, CA | 29 |
| LONG BEACH, CA | 10 |
| TACOMA, WA | 10 |
Harmonized System classification
HS code 290729 — Polyphenols, other. The Harmonized System is the international standard for classifying traded goods; U.S. Customs records this 6-digit code on every bill of lading.
Frequently asked questions about importing Polyphenols, other
Who imports Polyphenols, other (HS 290729)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Polyphenols, other include SONGWON INTERNATIONAL AMERICAS INC, SI GROUP, UBE AMERICA INC, SABIC INNOVATIVE PLASTICS US LLC, and TIARCO CHEMICAL.
Who is the largest U.S. importer of Polyphenols, other?
SONGWON INTERNATIONAL AMERICAS INC is the largest U.S. importer of Polyphenols, other (HS 290729), with 84 bill-of-lading shipment records.
Who are the top suppliers of Polyphenols, other?
Leading suppliers shipping Polyphenols, other (HS 290729) to the U.S. include SONGWON INDUSTRIAL CO LTD, SI GROUP, CAMLIN FINE SCIENCES LTD, UBE INDUSTRIES LTD, and TIARCO CHEMICAL EUROPE GMBH.
How many U.S. shipments of Polyphenols, other are there?
ImportDoor has 722 U.S. import shipment records under HS code 290729, spanning Jan 2020 to May 2026.
Where is Polyphenols, other imported from?
Polyphenols, other is imported into the U.S. primarily from INDIA, JAPAN, and REPUBLIC OF KOREA.
Find Polyphenols, other importers & suppliers
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