WINSTON PRODUCTS LLC

WINSTON PRODUCTS LLC is a U.S. importer with 2,502 bill-of-lading shipment records between Sep 2018 and Aug 2026. It ranks #2 among U.S. importers of Polystyrene, expandable (HS 390311) by shipment count. Its top suppliers include PARAMOUNT IMPEX, NGHE THUAT MINH NAM ONE MEMBER CO, and TAN SEIKO JOINT STOCK COMPANY, primarily importing HS code 390311. Goods originate mainly from VIET NAM and CHINA, arriving primarily at NEW YORK/NEWARK AREA, NEWARK, NJ. Shipment volume has held steady 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/company/winston-products-llc

See all 2,502 shipments of WINSTON PRODUCTS LLC with dates, ports, consignees, filters and CSV export in the ImportDoor dashboard.

Open in dashboard

Total shipments

2,502

First seen

Sep 2018

Last seen

Aug 2026

Origin countries

Shipments by month (last 24 months)

Sep 2024Aug 2026

Trade flow: top suppliers → products

What WINSTON PRODUCTS LLC imports and from whom — the strongest supplier-product relationships in its shipment records. Hover a ribbon for details; click a name to open its profile.

The largest relationship is PARAMOUNT IMPEX → Other mowers, including cutter bars for tractor mounting with 189 shipments, followed by NGHE THUAT MINH NAM ONE MEMBER CO → Refills for ball point pens, comprising the ball point and ink… (163) and TAN SEIKO JOINT STOCK COMPANY → Polystyrene, expandable (129).

Top suppliers

Supplier	Shipments
PARAMOUNT IMPEX	274
NGHE THUAT MINH NAM ONE MEMBER CO	271
TAN SEIKO JOINT STOCK COMPANY	198
TATA AUTOCOMP SYSTEMS LTD	198
THAI WP CO LTD	162
HOA AN IMPORT & EXPORT JOINT STOCK CO	149
MARKET UNION CO LTD	136
RUBBERMAN PRODUCTS LTD	131
TOSDA CO LTD	122
HANGZHOU LONGFENG MACHINERY TOOLS C XINXIA	60

Unlock WINSTON PRODUCTS LLC’s full supplier list, contacts & shipment records

Top products (HS codes)

Product (HS code)	Shipments
Polystyrene, expandable (390311)	575
Refills for ball point pens, comprising the ball point and ink reservoir (960860)	275
Other mowers, including cutter bars for tractor mounting (843320)	189
Linear acting (cylinders) (841231)	164
611512	79
Trailers and semi-trailers for housing or camping (871610)	70
Garden or similar umbrellas (660110)	52
Parts of air conditioning machines, comprising a motor-driven fan and elements for changing the temperature and humidity, including those machines in which the humidity cannot be separately regulated (841590)	52
Lawn-tennis rackets, whether or not strung, and parts and accessories thereof (950651)	52
Non-threaded articles, other washers (731822)	51

Unlock WINSTON PRODUCTS LLC’s full product & HS-code breakdown

Origin countries

Country	Shipments
VIET NAM	891
CHINA	633
INDIA	475
THAILAND	228
TAIWAN	69
SINGAPORE	64
MALAYSIA	37
CAMBODIA	29
REPUBLIC OF KOREA	28
NORWAY	24

Ports of unlading

U.S. port	Shipments
NEW YORK/NEWARK AREA, NEWARK, NJ	706
LONG BEACH, CA	645
TACOMA, WA	521
LOS ANGELES, CA	278
NORFOLK, VA	207
SEATTLE, WA	93
NEW YORK, NY	40
SAVANNAH, GA	6
CLEVELAND, OH	3
OAKLAND, CA	2

Other U.S. importers of Polystyrene, expandable

Companies that also import Polystyrene, expandable (HS 390311), ranked by shipment volume.

Importer	Shipments
PACIFIC HIGH TECH USA INC	817
MUEHLSTEIN 10 WESTPORT	221
SAMSUNG C&T AMERICA INC	201

Frequently asked questions about WINSTON PRODUCTS LLC

Who are WINSTON PRODUCTS LLC's top suppliers?

Based on U.S. Customs bill-of-lading records, WINSTON PRODUCTS LLC's top suppliers include PARAMOUNT IMPEX, NGHE THUAT MINH NAM ONE MEMBER CO, TAN SEIKO JOINT STOCK COMPANY, TATA AUTOCOMP SYSTEMS LTD, and THAI WP CO LTD.

What does WINSTON PRODUCTS LLC import?

WINSTON PRODUCTS LLC's most frequent imports fall under HS codes 390311, 960860, and 843320.

Is WINSTON PRODUCTS LLC a major importer of Polystyrene, expandable?

Yes — based on U.S. Customs bill-of-lading shipment counts, WINSTON PRODUCTS LLC is the #2 U.S. importer of Polystyrene, expandable (HS 390311).

Where does WINSTON PRODUCTS LLC import from?

WINSTON PRODUCTS LLC imports primarily from VIET NAM, CHINA, and INDIA.

How many shipments does WINSTON PRODUCTS LLC have?

ImportDoor has 2,502 U.S. import shipment records for WINSTON PRODUCTS LLC, spanning Sep 2018 to Aug 2026.

Which U.S. ports does WINSTON PRODUCTS LLC use?

WINSTON PRODUCTS LLC's shipments arrive primarily at NEW YORK/NEWARK AREA, NEWARK, NJ and LONG BEACH, CA.

Free import data resources

Classify any product with the free HS code lookup covering all 5,700+ subheadings with real U.S. import volumes, and read the quarterly State of U.S. Imports reports for volume trends, fastest-growing categories, top ports, and the largest importers.

Research WINSTON PRODUCTS LLC’s full supply chain

Get the complete supplier list, contact details, container-level shipment records, and competitor tracking on ImportDoor.

Start for free