Japanese Excellence in
Precision Manufacturing
Established in 1995 as the sole overseas facility of Tosslec Ltd., Japan, we provide comprehensive contract electronics manufacturing and PCB assembly for global OEMs.
About Us
Precision engineering and zero-defect assembly from Tosslec Ltd.'s sole overseas facility.
Your Electronics Manufacturing Partner
Incorporated in 1995, Tos Lanka is a BOI-approved, wholly owned subsidiary of Tosslec Company Limited, Kyoto, Japan— and Sri Lanka's pioneer Electronic Manufacturing Services (EMS) provider.
With nearly three decades of expertise, we deliver end-to-end high-tech assembly for global clients across Japan, Germany, Norway, Switzerland, USA, Canada and Australia — spanning automotive, biomedical, telecom, industrial automation, IoT and beyond.
Triple ISO Certified
ISO 9001 · 14001 · 45001
100% Japanese
Sole overseas facility of Tosslec Ltd., Kyoto.

Zero-Defect
Culture
Professional Memberships
We proudly associate with leading global organizations. These strategic memberships reflect our unwavering commitment to world-class manufacturing and compliance standards.

























Services
Nine specialized service lines under one roof — from prototype PCB assembly to full-scale automotive harnessing, powered by Japanese precision.
Why Tos Lanka
We combine Japanese manufacturing excellence with strategic Sri Lankan operations to deliver unparalleled electronic manufacturing services.
Japanese Subsidiary
The only Japanese-owned EMS company in the region.
BOI Company
Section 17 company approved by Board of Investment of Sri Lanka.
Industry Experience
Over 30 years of expertise in Electronic Manufacturing Services.
Manufacturing Flexibility
Capability to handle low-volume, high-precision jobs with efficiency.
Comprehensive Solutions
One-stop shop for turnkey projects or consigned value-add services.
Japanese Subsidiary
The only Japanese-owned EMS company in the region.
BOI Company
Section 17 company approved by Board of Investment of Sri Lanka.
Industry Experience
Over 30 years of expertise in Electronic Manufacturing Services.
Manufacturing Flexibility
Capability to handle low-volume, high-precision jobs with efficiency.
Comprehensive Solutions
One-stop shop for turnkey projects or consigned value-add services.
Skilled Workforce
Highly trained and quality-focused employees, including staff trained in Japan.
Competitive Pricing
Cost-effective solutions without compromising quality.
Strategic Location
Situated along major sea and air routes, ensuring efficient logistics.
Political Stability
Operating in a stable environment favorable to long-term partnerships.
Operational Continuity
Ability to maintain production 365 days a year.
Skilled Workforce
Highly trained and quality-focused employees, including staff trained in Japan.
Competitive Pricing
Cost-effective solutions without compromising quality.
Strategic Location
Situated along major sea and air routes, ensuring efficient logistics.
Political Stability
Operating in a stable environment favorable to long-term partnerships.
Operational Continuity
Ability to maintain production 365 days a year.
Our Manufacturing Process
A proven process designed to transform your designs into high-quality electronic products — precisely and efficiently.
Discovery & Consultation
We analyze your product requirements, BOM, and manufacturing goals to define the optimal approach.
Discovery & Consultation
We analyze your product requirements, BOM, and manufacturing goals to define the optimal approach.
DFM Validation
Our engineers review your designs for manufacturability to ensure optimal production efficiency.
DFM Validation
Our engineers review your designs for manufacturability to ensure optimal production efficiency.
Prototyping & Assembly
We begin with rapid prototyping before moving to full-scale PCB assembly and integration.
Prototyping & Assembly
We begin with rapid prototyping before moving to full-scale PCB assembly and integration.
Quality Testing
Rigorous AOI, ICT, and functional testing to guarantee zero-defect performance.
Quality Testing
Rigorous AOI, ICT, and functional testing to guarantee zero-defect performance.
Packaging & Delivery
Final inspection, custom packaging, and secure global shipment to your facility.
Packaging & Delivery
Final inspection, custom packaging, and secure global shipment to your facility.
Ready to Start Your Project?
Whether you need a rapid prototype, a production run of 10,000 units, or a custom automotive harness — our engineering team is ready to discuss your requirements.
