Specialised in Knife OEM/ODM, EDC Tools OEM/ODM, Defense Industry OEM/ODM and Multi-Tool manufacturing — nearly 40 years of vertically integrated stamping, heat treatment, CNC, and finishing.
Founded in 1987, Choun Yi Industrial is an experienced integrated hardware and knife OEM/ODM manufacturer in Taiwan. We began by producing extremely precise Japanese sewing-machine parts, and today we are a specialised full-service metal fabrication manufacturer with precision blanking, rigorous quality control, modular assembly, and highly flexible production lines.
We maintain 25+ years of deep OEM/ODM partnerships with leading outdoor knife brands in North America and Europe, delivering professional manufacturing with a cost advantage directly to global customers.
How to Partner With Us
MULTI-TOOL OEM/ODM
Browse our seven product categories and representative items at a glance — see the full range.
Learn More →Fine blanking, rigid QC, and intricate module assembly, integrated with heat treatment, water grinding, and precision CNC — turnkey solutions for folding, tactical, and fixed blades.
Specialist in everyday-carry pocket tools and multi-tools, combining stamped and machined parts into seamless, durable 10+ in-1 multi-functional tools.
With nearly 20 years of defense equipment manufacturing experience, we produce high-specification metal components such as defense hardware and structures, meeting stringent military and weather-resistance standards.
Fine blanking integrated with vacuum heat treatment, water grinding, CNC, flat grinding, sandblasting, plating, PVD/DLC coating, and Nylok treatment — connecting global B2B markets directly.
Choun Yi holds both ISO 9001 Quality Management and ISO/IEC 27001 Information Security Management certifications — international standards governing everything from production quality to customer data protection.
Certification scope covers the manufacture of stamping parts and knives, ensuring every step from process to delivery is backed by a standardized quality system.
Certification scope covers ERP system and server-room information security management, enforcing access control and risk prevention across our metal manufacturing operations.
| Core Dimension | ISO 9001 Quality Commitment | ISO 27001 Information Security Assurance |
|---|---|---|
| Customer Value | Transparent processes, stable delivery, continuously improving service experience | Data encryption, strict access control, and prevention of data breaches |
| Concrete Measures | PDCA cycle implementation, with regular quality audits and customer satisfaction surveys | Strict access architecture, with regular vulnerability scans and disaster-recovery drills |
| Resulting Benefits | Reduces rework and project delay risk | Meets cross-border compliance requirements (e.g. GDPR) and protects trade secrets |
Long-term supply of modular folding and tactical knife components, from blanking through finishing.
Defense hardware and structural component manufacturing. Details are managed under NDA — anonymized summary only.
Modular assembly of 10+ composite metal parts, in stable volume production for tool brands.
Built to meet growing demand for wear-resistant coatings from outdoor knife clients in North America and Europe.
Held discussions with several EDC brands on modular assembly OEM partnerships.
Passed Annual Defense Supply-Chain Audit
Exhibited at Taiwan International Fastener Show
New Changhua Line Enters Volume Production
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