Sambo Corrugated Board

What Sambo Corrugated Board does

Sambo Corrugated Board ((주)삼보판지) is a South Korea-based manufacturer and seller of corrugated fiberboard and finished cardboard boxes, operating under the publicly listed Sambo Group structure. The company was founded circa 1975 and maintains two production facilities — the primary Siwha Factory in Siheung (headquarters) and a secondary Iksan Factory — supported by a group of wholly-owned subsidiaries including Hancheong Paper ((주)한청판지), Samhwa Paper ((주)삼화판지), and Goryeo Paper ((주)고려제지), which provide integrated paper manufacturing, board, and printing capabilities.

The company's core offering consists of two product lines: raw rollstock materials (원단제품) used by other converters, and finished box products (상자제품) sold in seven standard configurations — slotted, side-opening, telescopic, folder-type, fixed (right-type), pre-glued, and interior fitments — supplied to industrial packaging customers nationwide. Technology is conventional corrugated board manufacturing; no AI, proprietary software, or differentiated IP is disclosed beyond standard safety/health and patent/certification programs.

Revenue is generated through B2B hardware sales via direct factory accounts and an affiliated distribution network within the Sambo Group, with quote-based (non-public) pricing. In 2025 the company reported revenue of KRW 208,253 million (down from KRW 234,093 million in 2024) and a net loss of KRW 2,072 million, against total assets of KRW 334,280 million and total equity of KRW 249,550 million. Geographic operations are limited to South Korea; an English-language corporate site exists but no overseas expansion is claimed.

Name

Sambo Corrugated Board

Legal name

(주)삼보판지

Website

https://isambo.com

Company type

Public

Founded year

1975

Operating status

Operating

Short description

Sambo Corrugated Board is a South Korean manufacturer of corrugated cardboard boxes and raw rollstock materials, serving industrial B2B packaging customers nationwide from two production facilities in Siheung and Iksan as part of the publicly listed Sambo Group.

Ownership category

akta.pro rank

Product category

Industrial Packaging

NAICS

Corrugated and Solid Fiber Box Manufacturing (322211), Folding Paperboard Box Manufacturing (322212), Paperboard Container Manufacturing (32221)

SIC

Paperboard Containers & Boxes (2650)

akta.pro primary industry

Corrugated Packaging (Boxes, Sheets, Pads) (IMALACAA)

akta.pro secondary industries

Corrugated Packaging & Boxes (RSC, die-cut, bulk bins) (IMAMAHAA), Recycled Corrugated Products (Boxes, Sheets) (IMAMAKAH)

Keywords

• Corrugated board manufacturing
• Industrial packaging materials
• Cardboard box production
• Fiberboard packaging solutions
• Rollstock and box products

Headquarters

HQ city

Sihung

HQ country

South Korea

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Infrastructure

Revenue model

1. Corrugated Board Manufacturing and Sales: Manufactures and sells corrugated board products including raw materials (원단) and finished box products (상자). Revenue derived from product sales to business customers in the packaging industry.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels1 record

Core offering

Sambo Corrugated Board manufactures and sells corrugated board products through two core lines: raw material products (원단제품) including base papers and rollstock, and finished box products (상자제품) such as slotted, side-opening, telescopic, folder-type, rigid fixed-type, and ready-glued corrugated boxes, plus interior fitments. The company operates manufacturing facilities in Siheung and Iksan and distributes nationwide through its affiliated company network to business customers in the packaging industry.

Product overview

Sambo Corrugated Board operates as a corrugated board packaging manufacturer with two core product lines: raw material products (원단제품) and finished box products (상자제품). The company produces various box types including slotted, side-opening, telescopic, folder-type, interior fitments, fixed, and ready-glued boxes. The product portfolio is organized into original fiber products and box products, with box designs available as die-cut templates for customer-specific packaging needs.

Differentiator

Problem solved

Functional benefit

Products and services

• Raw Material Products (원단제품) Raw corrugated board materials, base papers, and rollstock used by packaging manufacturers to produce finished boxes. Supplied to industrial and packaging-industry customers.
• Box Products (상자제품) Finished corrugated cardboard boxes in multiple configurations including slotted-type (홈판형), side-type (미닫이형), telescope-type (쏠운형), folder-type (접는형), rigid fixed-type (고정형), ready-glued (호부조립형), and interior fitments (부속류). Used by businesses for product shipping, protection, and packaging applications.
• Custom Box Design Templates (상자전개도) Die-cut template designs and configurations for customer-specific packaging needs, allowing customers to specify custom box layouts and dimensions.

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Six partnerships are on record, tiered core and minor.

• 한솔제지 (Hanos Paper)coreTechnology or IntegrationRaw material supplier providing SC (Super Calendered) base paper for corrugated board production. Company publishes MSDS documentation for Hanos Paper SC raw materials on their customer resource portal.
• (주)한청판지coreOthersAffiliated company within Sambo Group - one of the group subsidiaries
• (주)삼화판지coreOthersAffiliated company within Sambo Group - one of the group subsidiaries
• (주)고려제지 및 사업부 (Goryeo Paper and Divisions)coreOthersParent group company with multiple divisions including paper board business unit and printing business unit
• (주)동진판지minorOthersRelated company within broader Sambo corporate group network
• (주)대림제지minorOthersRelated company within broader Sambo corporate group network

Scale indicators7 records

Recent moves4 records

Expansion highlights3 records

Broad incumbents

• Mondi Group: European integrated pulp, paper and corrugated packaging group. Comparable in operating model (integrated paper plus corrugated conversion) but with substantially larger scale, European footprint, and similar commodity-driven margin profile.
• Sonoco Products: Diversified global packaging manufacturer including paper-based and protective packaging. Comparable as a converter of paper-based packaging for industrial customers, though broader portfolio than Sambo's pure corrugated focus.
• International Paper: Global leader in containerboard and corrugated packaging with North American and EMEA operations. Comparable core business of converting containerboard into corrugated boxes; significantly larger in scale and breadth.
• Packaging Corporation of America: U.S. producer of containerboard and corrugated products with an integrated mill-converter model. Directly comparable in the corrugated box value chain; geographically different but operationally aligned.
• Nippon Paper Industries: One of Japan's largest pulp and paper producers with containerboard and packaging operations. Comparable integrated paper-to-corrugated model; significantly larger scale and different geography but same value chain.
• Smurfit Westrock: The world's largest containerboard and corrugated packaging producer following the 2024 Smurfit Kappa / WestRock merger. Comparable as a vertically integrated paper-to-box operator; larger scale and global footprint dwarf Sambo's domestic Korean position.

Others

• Hansol Paper (한솔제지): Major Korean paper manufacturer and Sambo's actual SC base paper supplier per disclosed MSDS. Comparable as a domestic paper-based packaging company; upstream supplier relationship and overlapping customer base in Korean packaging.

Regional players

• Moorim Paper (무림페이퍼): Korean paper and packaging group producing containerboard and corrugated products domestically. Comparable product mix and Korean market focus, making it a direct regional competitor to Sambo.
• Young Poong Paper (영풍제지): Korean manufacturer of paperboard and packaging products including containerboard. Comparable as a domestic Korean paper-based packaging supplier serving similar end markets to Sambo.

Direct peers

• Rengo Co., Ltd. Largest Japanese corrugated packaging manufacturer with integrated paper and converter operations across Asia. Closest direct peer — same product (corrugated board and boxes), same Asian regional orientation, and similar multi-plant business model.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks6 records

Key highlights5 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Sambo Corrugated Board