Oriental Chain Manufacturing

Name

Oriental Chain Manufacturing

Legal name

Oriental Chain Mfg. Co., Ltd.

Website

https://www.ocm.co.jp/

Company type

Public

Founded year

1947

Operating status

Operating

Headcount range

101–250 employees

Ownership category

akta.pro rank

Product category

Power Transmission Chains

NAICS

Engine, Turbine, and Power Transmission Equipment Manufacturing (33361)

SIC

Construction, Mining & Materials Handling Machinery & Equip (3530)

akta.pro primary industry

Linear Motion & Mechanical Power Transmission (Ball/roller screws, linear guides, bearings, couplings) (IMAHAGAM)

Keywords

• Power transmission chains
• Industrial conveyor chains
• Sprockets and gears
• MIM precision parts
• Self-lubricating chains

Headquarters

HQ city

Hakusan

HQ country

Japan

HQ region

Asia

Offices7 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Chain and Sprocket Sales: Manufacturing and sale of roller chains, conveyor chains, and sprockets. The company produces 3,000-4,000 different chain types serving industrial customers globally. Revenue primarily from product sales with quote-based pricing.
2. MIM (Metal Injection Molding) Parts: Production and sale of precision metal parts using Metal Injection Molding technology for medical devices, automotive parts, telecommunications equipment, and other precision components.

Go-to-market motion3 records

Distribution channels4 records

Marketing channels4 records

Core offering

Oriental Chain Manufacturing designs, produces, and sells power transmission chains and related mechanical components for industrial machinery and equipment manufacturers. Its product range spans roller chains, conveyor chains, sprockets, torque limiters, cable chains, plastic chains, leaf chains, and metal injection molded (MIM) precision parts, with proprietary variants such as TLH-coated, self-lubricating, and ceramic-composite chains. The company supplies both standard and engineered chain solutions to industrial OEMs and end users through a global distribution network.

Product overview

Oriental Chain Manufacturing (OCM) is a niche-focused roller chain and conveyor system manufacturer offering a comprehensive portfolio centered on industrial drive chains, conveyor chains, and precision components. The core product line spans drive roller chains (multiple series including Standard JIS, Mini S10, IX, Long Run LR, ANSI Heavy, HS), conveyor chains (large and small formats, apron types), cable chains for cable protection, sprockets, and torque limiters. These are complemented by a portfolio of specialty 'Onel-Wa N-One' (unique/only) products including the S10 world-smallest 3.175mm pitch chain (100% domestic share, 70% global share in medical endoscopes), TLH triple-layer corrosion-resistant coating, SER-ND self-lubricating chain (4x+ wear life), and PLK/PLT/CT direct-placement conveyor chains. OCM further provides MIM (Metal Injection Molding) precision parts manufacturing as a second growth pillar, producing complex-shaped components for industrial, automotive, and medical applications. The company operates a multi-product, multi-specification model handling 3,000-4,000 product varieties.

Differentiator

Problem solved

Functional benefit

Products and services

• Roller Chains Standard power transmission roller chains for industrial machinery, providing motion and torque transfer in a wide range of equipment applications. Sold to industrial OEMs and equipment manufacturers.
• Conveyor Chains
• Sprockets
• Torque Limiters
• Cable Chains
• Plastic Chains
• Leaf Chains
• MIM Precision Parts

Quantifiable outcome

• TLH chains survive 1000+ hours in salt spray testing vs 500 hours for nickel-plated and Super Shield chains
• +5 more outcomes

Named customers6 records

Segments4 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Nine partnerships are on record, tiered core and minor.

• Witend Electric Group Co., Ltd. (威騰電気グループ株式会社)coreChannel Partner/ Reseller/ Distributor · 30 July 2026Sales agency agreement for ultra-small chain products and overseas expansion partnership announced July 2026.
• Terada Precision Works (寺田精工株式会社)coreStrategic or Co-development Partner · 8 January 2026Subsidiary acquired in 2024 - all shares completed acquisition in July 2024. Focus on precision parts manufacturing.
• Four-company Business Alliance (4社間業務提携)coreStrategic or Co-development Partner · 18 December 2025Four-company business partnership for mutual business expansion. All parties collaborating on sales and production.
• Katayama Chain Co., Ltd. (片山チエン株式会社)coreStrategic or Co-development Partner · 7 August 2025Business partnership for GTM collaboration. OCM standard sprockets being replaced by KANA sprockets, while custom orders continue through OCM directly.
• Daido Kogyo Co., Ltd. (大同工業株式会社)minorStrategic or Co-development Partner · 14 May 2021Basic agreement for business partnership signed in May 2021
• Komatsu Ltd. (小松製作所)coreTechnology or Integration · 1 January 2002Technical disclosure and license agreement for MIM (Metal Injection Molding) technology signed in January 2002.
• Toltec Inc.minorChannel Partner/ Reseller/ DistributorU.S. warehouse and distribution partner handling logistics and distribution in the United States market.
• Beijing SR-Business Technology Co., Ltd. (北京艾斯尔科技有限公司)minorChannel Partner/ Reseller/ DistributorChina domestic sales agent with offices in Beijing, Shanghai, and Guangzhou. Handles sales and support for Chinese customers.
• Tohoku University (東北大学)coreTechnology or IntegrationJoint patent for RB ceramic composite technology used in SUS-RB stainless chains. Technology developed through university collaboration.

Scale indicators7 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Tsubakimoto Chain Co., Ltd. Japan's largest roller chain manufacturer and dominant domestic power transmission company, offering drive chains, conveyor chains, and sprockets. Directly comparable to OCM in core product, customer base, and channel motion.
• Daido Kogyo Co., Ltd. Japanese roller chain manufacturer and active business partner of OCM (basic partnership agreement signed May 2021). Operates in the same drive and conveyor chain segments with overlapping Japanese industrial customers.
• Katayama Chain Co., Ltd. Japanese chain manufacturer and GTM partner of OCM (2025), under which OCM standard sprockets are being replaced by KANA sprockets. Highly comparable specialty chain maker with overlapping customer base.
• Regina (Catene Calibrate Regina S.p.A.): Italian roller chain manufacturer with global reach into industrial and motorcycle chain applications. Comparable to OCM as a non-Japanese specialty chain maker targeting global industrial OEMs.
• Sedis Group: French roller chain manufacturer with a broad product line for industrial, automotive, and conveyor applications. Comparable mid-size European chain specialist competing in similar global industrial verticals.
• Renold plc: UK-based power transmission chain manufacturer with strong industrial and conveying market presence. Comparable mid-size specialty chain maker with global distribution similar to OCM's 80+ country footprint.
• Hangzhou Donghua Chain Group: China's largest roller chain manufacturer serving industrial, automotive, and conveyor markets globally. Comparable in core product (roller/conveyor chains) but competes primarily on price/scale versus OCM's specialty positioning.
• IWIS Antriebssysteme GmbH: German precision roller chain manufacturer serving automotive timing, industrial, and conveyor applications. Comparable specialty chain maker with strong European presence and engineered chain solutions.

Broad incumbents

• SKF Group: Swedish global leader in bearings, seals, and power transmission including roller chain and related components. Operates broadly across industrial power transmission with much larger scale, R&D, and global coverage than OCM.
• Regal Rexnord Corporation: US-based diversified power transmission manufacturer (Rexnord chain products plus bearings, couplings, and gear drives). Comparable broad incumbent in mechanical power transmission with deep industrial channel reach that overlaps with OCM's target verticals.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/oriental-chain-mfg-co-ltd

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

Subsidiaries2 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 Oriental Chain Manufacturing