Tsubamex
Tsubamex is a Japanese die and mold manufacturer specializing in high-tensile steel forming and connected 3D design-driven manufacturing, serving automotive (including Toyota Group), housing, white goods, and consumer goods manufacturers as a wholly-owned Sunstar Group subsidiary.
- Company typePrivate
- Founded1961
- HeadquartersTsubame, Japan
- Headcount101–250
- GTM typeB2B
- OfferingHardware or Manufacturing
What Tsubamex does
Tsubamex Co., Ltd. (株式会社ツバメックス) is a Japanese die (mold) manufacturer founded in 1961 and headquartered in the Tsubame-Sanjo metalworking cluster of Niigata Prefecture. The company designs and manufactures metal dies and plastic molded parts, with particular specialization in high-tensile strength steel forming and difficult-to-form parts. Its core proprietary technology is the TADD System (Tsubamex Auto Die Design System), a 3D automated die design platform developed in-house over 20+ years and positioned as the centerpiece of a connected, factory-to-factory manufacturing architecture supported by digital twin technology.
The company operates a one-stop model spanning design, die manufacturing, and mass production, including ferrous/nonferrous deep draw forming, insert molding, and plastic processing. Its customers include automotive manufacturers (notably Toyota Group), housing component makers, white goods/consumer electronics manufacturers, and daily necessities producers. Marketing is conducted through direct B2B engagement, DX seminars combined with factory tours, regional trade shows, and active recruitment through open company events and university internship programs.
Tsubamex has been a wholly-owned subsidiary of Sunstar Group since February 2019, operating as the group's manufacturing hub for next-generation Industrial and Consumer Business. The company has accumulated a series of formal recognitions: ISO 9001:2015 (renewed 2021), Technology Information Management Certification under Japan's Industrial Competitiveness Enhancement Act (2022), a full transition to renewable electricity (2022), and DX-certified operator status from METI (December 2025). Revenue, headcount specifics beyond the 101–250 band, and management team details are not publicly disclosed.
Tsubamex firmographics
Firmographics- Name
- Tsubamex
- Legal name
- 株式会社ツバメックス
- Website
- https://tsubamex.co.jp
- Company type
- Private
- Founded year
- 1961
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- Tsubamex is a Japanese die and mold manufacturer specializing in high-tensile steel forming and connected 3D design-driven manufacturing, serving automotive (including Toyota Group), housing, white goods, and consumer goods manufacturers as a wholly-owned Sunstar Group subsidiary.
- Ownership category
- akta.pro rank
Tsubamex industry classification
Industry- Product category
- Industrial Die Manufacturing
- NAICS
- Special Die and Tool, Die Set, Jig, and Fixture Manufacturing (333514), Forging and Stamping (3321)
- SIC
- Metal Forgings & Stampings (3460), Sheet Metal Work (3444)
- akta.pro primary industry
- Industrial Tooling, Jigs, Fixtures & Molds (End-Use Production Assets) (IMAAAEAH)
Keywords
Where Tsubamex is headquartered
LocationHeadquarters
- HQ city
- Tsubame
- HQ country
- Japan
- HQ region
- Asia
Offices1 record
Markets served
Tsubamex business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Supply Chain, Operations, Technology or R&D, Infrastructure, Marketing or Sales
Revenue model
- Die Manufacturing Services: Custom die (mold) manufacturing for high-tensile strength steel, difficult-to-form parts, and various sizes. Core business delivering precision metal stamping dies.
- Mass Production Services: Ferrous/nonferrous deep draw forming, insert molding, and plastic processing. One-stop manufacturing from die design through mass production.
- High-tensile Steel Processing: Specialized processing of high-tensile strength steel materials for automotive and industrial applications.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels5 records
Tsubamex product offering
Product offeringCore offering
Tsubamex designs and manufactures metal stamping dies and plastic molded parts for industrial manufacturers. The company provides a one-stop integrated manufacturing solution spanning die design, mold fabrication, and mass production, including high-tensile strength steel dies, ferrous/nonferrous deep draw forming, insert molding, and plastic processing. Its proprietary TADD System automates 3D die design and connects factories for seamless production management.
Product overview
TSUBAMEX is a die and mold manufacturing company within the Sunstar Group, operating from Tsubame-Sanjo, Japan. The company offers an integrated manufacturing system combining die design, mold manufacturing, and mass production. Their core technology is the proprietary TADD System (Tsubamex Auto Die Design System), a 3D automated die design system that serves as the centerpiece of their connected manufacturing platform. This system enables seamless factory connectivity and smooth progress management through a 3D design system and production management system. They manufacture dies for high-tensile strength steel, difficult-to-form parts in various sizes, and provide ferrous/nonferrous deep draw forming, insert molding, and plastic processing services.
Differentiator
Problem solved
Functional benefit
Products and services
- TADD System (Tsubamex Auto Die Design System) Tsubamex's proprietary 3D automated die design system that serves as the core of its company-wide integrated management system, automating die design processes and connecting factories for seamless production management. It is sold/used as part of Tsubamex's contract die manufacturing offering.
- Die Manufacturing (金型製造) Contract manufacturing of metal stamping dies for high-tensile strength steel, molding-resistive parts, and dies of various sizes. Targeted at automotive, housing, white goods, and daily necessities manufacturers.
- 3D Design System A 3D design system cultivated over 20+ years in die manufacturing with focus on efficiency and connectivity, enabling seamless factory-to-factory operations and smooth progress management.
- Mass Production Services (量産) One-stop mass production services including ferrous/nonferrous deep draw forming, insert molding, and plastic processing, delivered in conjunction with Tsubamex's die design and tooling capabilities. Targeted at industrial and consumer goods manufacturers.
- High-tensile Steel Processing Specialized processing of high-tensile strength steel materials for automotive and industrial applications, including difficult-to-form parts and a wide range of sizes.
Companies that use Tsubamex
Customer profileNamed customers3 records
Segments4 records
Ideal customer profiles2 records
Tsubamex technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
Tsubamex partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Sunstar GroupcoreSunstar Group acquired Tsubamex shares in February 2019, making it a member of the Sunstar Group. Tsubamex serves as a hub for creating new Industrial Business and Consumer Business for the next generation within the group.
Scale indicators1 record
Recent moves6 records
Expansion highlights5 records
Tsubamex competitors and assessment
Company assessmentBroad incumbents
- Sandvik AB: Global industrial incumbent in metal-cutting tools and tooling solutions for machining, stamping, and additive manufacturing, addressing the same metal-forming end markets as Tsubamex at much larger scale.
- Toyota Industries Corporation: Diversified Toyota-Group manufacturer spanning automotive components, materials handling, and textile machinery with internal die and stamping operations—provides a broader-incumbent benchmark for the same Japanese automotive customer base.
- DMG MORI Co., Ltd. Global machine-tool builder of CNC machining centers and turning centers used extensively by Japanese die and mold shops, competing for capital budgets that complement Tsubamex's tooling services.
- Sodick Co., Ltd. Japanese maker of EDM machines and metalworking machine tools widely used in die and mold production, serving the same Japanese die-making customer base with capital-equipment offerings.
Direct peers
- Yorozu Corporation: Japanese automotive parts manufacturer specializing in suspension, frame, and other metal-formed components, with comparable metal-stamping and large-die tooling operations serving Japan-based OEMs.
- G-TEKT Corporation: Japanese automotive stamping and chassis-component producer serving Japanese OEMs with press die design, mass production, and assembly capabilities—closely overlapping Tsubamex's metal die and stamping model.
Others
- MISUMI Group, Inc. Catalog and digital-platform supplier of standard and configurable mechanical components—including die and press-shop consumables—serving many of the same Japanese die-making customers as an enabling ecosystem participant.
- Hexagon AB: Provider of CAD/CAM and metrology software (including the VISI tool-and-die suite) used in die design and validation—relevant as a software and tooling-enablement peer rather than a manufacturing competitor.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks5 records
Key highlights7 records
Customer concentration
Tsubamex social profiles
Digital presenceTsubamex compliance and trust
Trust signalCompliance3 records
Tsubamex financial estimates
Financial estimateRevenue estimate
Valuation estimate
Tsubamex leadership team
Management profileNumber of profiles
Tsubamex funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Tsubamex M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Tsubamex
What does Tsubamex do?
Tsubamex designs and manufactures metal stamping dies and plastic molded parts for industrial manufacturers. The company provides a one-stop integrated manufacturing solution spanning die design, mold fabrication, and mass production, including high-tensile strength steel dies, ferrous/nonferrous deep draw forming, insert molding, and plastic processing. Its proprietary TADD System automates 3D die design and connects factories for seamless production management.
Is Tsubamex a public or private company?
Tsubamex is a private company. It is classified as corporate owned and is currently operating.
When was Tsubamex founded?
Tsubamex was founded in 1961. It employs 101 to 250 people.
Where is Tsubamex based?
Tsubamex is headquartered in Tsubame, Japan, in the Asia region.
How does Tsubamex make money?
Three revenue lines are on record. Die Manufacturing Services are the primary driver. The others are mass Production Services and high-tensile Steel Processing.
Who are Tsubamex's main competitors?
Broad incumbents on record are Sandvik AB, Toyota Industries Corporation, DMG MORI Co., Ltd. and Sodick Co., Ltd.. Direct peers are Yorozu Corporation and G-TEKT Corporation. Others are MISUMI Group, Inc. and Hexagon AB.
Does Tsubamex have an API?
No public API is recorded for Tsubamex.
What industry is Tsubamex in?
Tsubamex's product category is Industrial Die Manufacturing. Its primary akta.pro industry code is IMAAAEAH, Industrial Tooling, Jigs, Fixtures & Molds (End-Use Production Assets). Its NAICS code is 333514 and its SIC code is 3460.