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Day: October 28, 2026

Developing Custom Technical Components: From Requirement to Production

Custom technical component development with CAD and robotics

Learn how to develop custom technical components from functional requirements through DFM, prototypes, supplier validation and repeatable series production.

European Supplier Quality Requirements: An Audit Checklist

Quality audit at a European manufacturing supplier

Use this European supplier quality audit checklist to verify certificates, process control, traceability, inspection, change management and product compliance.

Technical Outsourcing Roadmap: From Feasibility to Series Production

Team mapping a technical outsourcing roadmap

Follow a practical technical outsourcing roadmap from feasibility and specification through supplier qualification, validation, logistics and controlled series ramp-up.

Buying Custom Technical Components: A Procurement Guide

Buyer reviewing custom technical components and specifications

A practical procurement guide to buying custom technical components with clear specifications, comparable quotations, supplier controls and reliable delivery.

How to Qualify Technical Manufacturing Suppliers

Supplier qualification team inspecting manufacturing capability

Learn how to qualify technical manufacturing suppliers using risk-based screening, process audits, sample validation, quality evidence and performance monitoring.

The True Cost of International Sourcing

International sourcing cost analysis with freight and logistics

Calculate the true cost of international sourcing using total landed cost, quality, inventory, internal workload, tooling, customs and supply risk.

Outsourcing Industrial Product Development: A Practical Guide

Engineers reviewing an industrial product development prototype

A practical guide to outsourcing industrial product development, from requirements and DFM to prototypes, supplier selection and controlled series production.

How Customs Works When Outsourcing Manufacturing

Customs inspection for outsourced manufacturing shipments

Learn how customs works for outsourced manufacturing, including EORI, HS codes, origin, Incoterms, duties, import VAT and document control.

Outsourcing OEM Supply: From Components to Delivery

OEM supplier and customer agreeing recurring component production

Outsource OEM supply with control over industrialisation, quality, revisions, capacity, inventory and delivery from components to complete modules.

Managing Overseas Manufacturing with a Local Partner

Local Dutch partner coordinating overseas manufacturing operations

Manage overseas manufacturing through local engineering, supplier qualification, quality gates, milestone control and integrated logistics.

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TOS Outsourcing

Your partner in the field of machining (conventional and CNC turning and milling), welding, forging, casting (metal and plastic), extrusion, deformation, separation, preservation and assembly of large and small series.
Request a quote now
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Technical request

Do you already have a drawing or 3D file?

Send your PDF, DWG, STEP or STP file directly. TOS will assess manufacturability, the production route and your request for quotation.

Technical request

Send your drawing or file directly

Upload a PDF, DWG or STEP/STP file and receive a detailed response about manufacturability, the production route and your request for quotation.

Allowed: PDF, DWG, STEP and STP. Maximum 16 MB per file.