Casteng

About Us

Casteng GmbH is an internationally active service company and a reliable partner for the procurement, technical support, and implementation of demanding industrial components. Our focus is on the sourcing and management of high-quality cast parts, forged parts, mechanically machined components, and customized manufacturing solutions for a wide variety of industrial applications. What sets Casteng apart is far more than just connecting customers and suppliers. Through a reliable network of qualified manufacturers, foundries, forging shops, and specialized production partners built over many years, we bring companies worldwide together with the right production solutions – efficiently, technically sound, and sustainably.

More than Procurement – Technical Partnership with Responsibility

At Casteng, we do not see ourselves as a classic intermediary that leaves the process after initial contact. Our goal is to actively accompany projects, analyze technical challenges, and develop optimal solutions together with customers and suppliers. We support our partners along the entire course of the project – from the initial inquiry to final delivery. Our strength lies in understanding technical relationships, thinking processes through, and actively driving solutions forward.

Our Services at a Glance

Casteng supports companies worldwide in the following areas: • Casting Components: Grey cast iron, ductile cast iron, cast steel, stainless steel casting, aluminum casting, special alloys, precision and special casting solutions • Forged Parts: Free-form forged parts, closed-die forged parts, rolled rings, high-duty forging components, custom fabrications according to drawings or specifications • Mechanical Machining: CNC turning, CNC milling, drilling, grinding, machining, finishing, ready-to-assemble complete machining • Extended Manufacturing Services: Heat treatment, surface finishing, coatings, assembly and sub-assembly manufacturing, quality inspection and technical control, logistics and supply chain coordination

Technical Support instead of Standard Processing

Our work does not end with the selection of a supplier. Casteng operates as an active technical interface on both the customer side and in close exchange with the manufacturing partners. We provide support for: • Technical inquiries and problem solving • Optimization of construction and component design • Material and production method selection • Economic feasibility assessment • Alternative production methods • Quality requirements and specifications • Production monitoring • Communication between customer and supplier • Risk and process assessment When technical challenges arise, we don't just coordinate the alignment – we actively collaborate on the solution.

Think with us. Think ahead. Create solutions.

Our experience shows: Successful projects do not arise solely from good suppliers, but from technical competence, clear communication, and a deep understanding of processes. Therefore, we analyze requirements not only operationally, but also strategically. We think with you, challenge technical procedures, and develop the most efficient, economical, and sustainable solution together with our partners.

Globally Networked. Personally Supported.

Through long-term cooperation with international manufacturers and specialized industry partners, Casteng has a resilient network for a wide variety of requirements and production depths. At the same time, we remain a personally managed, solution-oriented service provider with direct communication, short decision-making paths, and high reliability.

Our Commitment

We see ourselves not just as a procurement service provider, but as a technical partner, problem solver, and the link between development, production, and delivery. With professional expertise, experience, and a strong international network, Casteng offers its customers comprehensive support – from the initial concept to technical implementation, all the way to successful serial or single-part manufacturing.