MJB PLASTICS INC

MJB PLASTICS INC is a U.S. importer with 1,898 bill-of-lading shipment records between Jan 2020 and May 2026. Its top suppliers include DAEWON INDUSTRIAL CO LTD, SHIN MYUNG INNOTEC CO LTD, and DONGWON SYSTEMS CORP, primarily importing HS code 392220. Goods originate mainly from REPUBLIC OF KOREA, arriving primarily at LONG BEACH, CA. Shipment 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 May 2026

Total shipments

1,898

First seen

Jan 2020

Last seen

May 2026

Origin countries

Shipments over time (last 24 months)

2024-062026-05

Trade flow: top suppliers → products

What MJB PLASTICS INC 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 DAEWON INDUSTRIAL CO LTD → Lavatory seats and covers with 843 shipments, followed by SHIN MYUNG INNOTEC CO LTD → Other plates, sheets, film, foil and strip, of plastics, noncel… (453) and DONGWON SYSTEMS CORP → Boxes, pouches, wallets and writing compendiums, of paper or pa… (190).

Top suppliers

Supplier	Shipments
DAEWON INDUSTRIAL CO LTD	1,091
SHIN MYUNG INNOTEC CO LTD	561
DONGWON SYSTEMS CORP	191
SHINMYUNG INNOTEC CO LTD	28
OF 647	5

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Top products (HS codes)

Product (HS code)	Shipments
Lavatory seats and covers (392220)	849
Other plates, sheets, film, foil and strip, of plastics, noncellular and not reinforced, laminated, supported or similarly combined with other materials of polymers of ethylene (392010)	512
Boxes, pouches, wallets and writing compendiums, of paper or paperboard, containing an assortment of paper stationery (481730)	190
Spools, cops, bobbins and similar supports (392340)	178
Polymers of ethylene, in primary forms, other (390190)	67

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Origin countries

Country	Shipments
REPUBLIC OF KOREA	1,898

Ports of unlading

U.S. port	Shipments
LONG BEACH, CA	1,236
LOS ANGELES, CA	478
OAKLAND, CA	172
NEW YORK/NEWARK AREA, NEWARK, NJ	8
TACOMA, WA	3
SAVANNAH, GA	1

Frequently asked questions about MJB PLASTICS INC

Who are MJB PLASTICS INC's top suppliers?

Based on U.S. Customs bill-of-lading records, MJB PLASTICS INC's top suppliers include DAEWON INDUSTRIAL CO LTD, SHIN MYUNG INNOTEC CO LTD, DONGWON SYSTEMS CORP, SHINMYUNG INNOTEC CO LTD, and OF 647.

What does MJB PLASTICS INC import?

MJB PLASTICS INC's most frequent imports fall under HS codes 392220, 392010, and 481730.

Where does MJB PLASTICS INC import from?

MJB PLASTICS INC imports primarily from REPUBLIC OF KOREA.

How many shipments does MJB PLASTICS INC have?

ImportDoor has 1,898 U.S. import shipment records for MJB PLASTICS INC, spanning Jan 2020 to May 2026.

Which U.S. ports does MJB PLASTICS INC use?

MJB PLASTICS INC's shipments arrive primarily at LONG BEACH, CA and LOS ANGELES, CA.

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