Die Casting Mold and Tool Construction

What Die Casting Mold and Tool Construction does

Siegfried Müller Druckguss, formally Dipl.-Ing. Siegfried Müller Druckguss | Druckgießerei Formen- und Werkzeugbau GmbH & Co. KG, is a German family-owned zinc die-casting job-shop founded in 1948 and headquartered in Velbert, North Rhine-Westphalia. The company operates as a contract manufacturer of custom zinc die-cast components and assemblies, serving industrial B2B customers across six core verticals: medical technology, electrical/electronics, plant and machinery engineering, automotive/transportation, consumer/furniture hardware, and building/safety/sanitary hardware. It currently operates a single production site of over 3,000 m² housing 11 modern hot-chamber die-casting machines with locking forces ranging from 20t to 315t, supported by in-house mould and tool construction, CNC machining centers, and a mold warehouse containing more than 3,000 active molds.

The underlying technology is centered on hot-chamber zinc die-casting using high-grade zinc alloys per EN1774/EN12844, with real-time screen-controlled machine parameters, innovative two-chamber furnaces for stable bath temperature/level, mold-filling simulation (acquired 2017), and CAD/CAM design via SolidWorks and ProEngineer. Net-shape casting capability enables tight SPC tolerances up to GTA12, thin-walled casting down to 0.3 mm, and direct casting of external male threads, minimizing secondary machining. A full post-processing stack — trimming, deburring, vibration grinding, sand/shot blasting, and outsourced surface finishing (chrome, gold, KTL, powder, PVD) — is coordinated by the company, enabling it to deliver finished or semi-finished assemblies. The company holds ISO 9001:2015 and ISO 50001:2011 certifications and has won multiple German and European Zinc Die-Casting Competition awards across categories such as medical technology, electrical engineering, safety/locking technology, and lifestyle (notably BMW R18 Heritage turn-signal housing in 2022).

The business model is direct B2B sales-led job-casting with no public pricing, no distribution channels, and no disclosed external funding. Revenue is generated by custom manufacturing contracts spanning small bespoke runs through high-volume series (300–400 parts/hour, die life up to 2 million cycles), priced per quote based on specification, lot size, and finishing requirements. The company explicitly positions itself as a development partner integrated into the customer's product design phase. The customer base exceeds 200 national and international industrial buyers, with only one named OEM logo (BMW) disclosed publicly; the rest are referenced on request. The current managing directors are Heinz Abel and Anneli Müller-Abel, second-generation family leadership that assumed control after the founder's death in 1989.

Name

Die Casting Mold and Tool Construction

Legal name

Dipl.-Ing. Siegfried Müller Druckguss | Druckgießerei Formen- und Werkzeugbau GmbH & Co. KG

Website

https://zink-druckguss.de

Company type

Private

Founded year

1948

Operating status

Operating

Headcount range

11–50 employees

Short description

Siegfried Müller Druckguss is a German family-owned, second-generation job-casting shop founded in 1948, specializing in high-precision hot-chamber zinc die-cast components and assemblies for industrial B2B customers across medical, electrical, automotive, and machinery sectors.

Ownership category

akta.pro rank

Product category

Custom Zinc Die-Casting Manufacturing

NAICS

Nonferrous Metal Die-Casting Foundries (331523), Special Die and Tool, Die Set, Jig, and Fixture Manufacturing (333514)

SIC

Iron & Steel Foundries (3320)

akta.pro primary industry

Custom Injection Molding & Contract Manufacturing (Job Shops/CMs) (IMANAFAJ)

Keywords

• Zinc die casting
• Die cast components
• Mold and tool construction
• Mechanical machining services
• Surface finishing services

Headquarters

HQ city

Velbert

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Supply Chain, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. Zinc Die-Casting Component Manufacturing (Job Casting): Contract/job die-casting manufacturing of zinc die-cast parts and assemblies for industrial customers. The company operates as a job-caster producing custom components per customer specifications across industries including automotive, medical, electrical engineering, machinery, and more. Revenue is generated through the production of cast parts, mechanical processing, and surface finishing as a full-service offering. Production rates reach 300–400 parts per hour on hot-chamber machines. Die lifetimes extend to 2 million cycles.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Siegfried Müller Druckguss is a contract (job) zinc die-caster that designs and builds its own moulds and tools, then produces custom zinc die-cast parts and assemblies on 11 hot-chamber machines (20–315t locking force, 1g–5kg unit weights). The offering spans feasibility/design support, mould-making, die-casting, in-house mechanical post-processing, and surface finishing arranged through qualified partners, serving medical, electrical/electronics, plant & machinery, automotive, consumer/furniture, and building-hardware customers.

Product overview

Siegfried Müller is a zinc die-casting foundry offering a comprehensive manufacturing service from raw material procurement through mould tooling, die-casting production, mechanical processing, and surface finishing to final delivery. The core offering consists of zinc die-casting components manufactured on hot-chamber machines (20-315t locking force), supported by in-house mould and tool construction with CAD/design capabilities. Secondary operations include CNC machining, surface treatment, and assembly services. The company holds ISO 9001:2015 and ISO 50001:2011 certifications for zinc die-casting, machining, and mould/tool construction including development and design.

Differentiator

Problem solved

Functional benefit

Products and services

• Zinc Die-Casting Components Custom high-quality zinc die-cast parts and assemblies manufactured using hot-chamber die-casting technology, with unit weights from 1g to 5kg, serving industrial customers in automotive, medical, electrical engineering, machinery, and other sectors.
• Mould and Tool Construction In-house design and construction of die-casting moulds and tools, including mold-filling simulation, CAD design using SolidWorks and ProEngineer, with a warehouse of over 3,000 different moulds. Customers contract for tooling as part of their casting project.
• Mechanical Processing (Post-Processing / Machining) Secondary machining and finishing operations on cast parts, including trimming, deburring (manual, thermal, or trimming press), vibration grinding (Trowalisation), sand/shot blasting, grinding, and CNC simultaneous machining on special-purpose machines (Brother machining centers). Sold as a service to industrial customers.
• Surface Finishing Services Comprehensive surface treatment options for cast parts, including chrome plating, gold plating, KTL electrophoretic coating, zinc plating, passivation, chromating, powder and wet painting in RAL colors, Teflon coatings, PVD coating, laser marking, and printing. Sold as a service to industrial customers via qualified external partners coordinated by the company.

Quantifiable outcome

• Production rates of 300–400 parts per hour
• +5 more outcomes

Named customers1 record

Segments6 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Scale indicators9 records

Recent moves11 records

Expansion highlights4 records

Broad incumbents

• Ryobi Die Casting: Large Japanese aluminum and zinc die-casting supplier serving global automotive OEMs. Comparable in process technology and component applications, especially automotive transmission and powertrain parts.
• Shiloh Industries: US-based diversified castings and light-weighting supplier producing aluminum, magnesium and zinc die-cast components primarily for automotive OEMs. Broad incumbent with similar process family and end-market but at far greater scale.
• Martinrea Honsel: Major aluminum and structural die-casting supplier to automotive OEMs globally, part of Martinrea International. Comparable in process (light-metal die casting) and end-market exposure, but operates at considerably larger scale and is aluminum-focused rather than zinc.
• GF Casting Solutions: Subsidiary of Georg Fischer, a large-scale nonferrous metal die-casting and iron-casting group serving global automotive and industrial markets. Broader incumbent: same casting technology and process know-how, but serves much larger volume contracts and broader geographies.
• Teksid (Stellantis / former Magnetto): Italian component of the Stellantis casting supply chain producing iron, aluminum and die-cast components for automotive powertrain and chassis. Comparable in process family (die casting and foundry) and customer overlap, though much larger and ICE-focused.

Direct peers

• Dynacast: Global precision die-casting job shop producing small zinc and aluminum components for industrial customers. Direct peer: same custom job-casting model, similar part size range, multi-vertical customer base (medical, electronics, automotive, consumer).
• Stahlschmidt GmbH & Co. KG: German specialist nonferrous metal die-casting and machining job-shop comparable in scale and customer verticals (industrial, automotive, electrical). Closest regional analog to Siegfried Müller in terms of size, technology (multi-cavity hot-chamber), and business model.

Regional players

• Endurance Technologies: Indian listed manufacturer of aluminum and zinc die-cast components for automotive and industrial customers, with growing European footprint. Regional peer with comparable process technology and customer verticals, but serves primarily the Indian market.

Others

• Oskar Frech GmbH + Co. KG: German manufacturer of hot-chamber and cold-chamber die-casting machines and cells (the same equipment category Siegfried Müller operates). Equipment and tooling supplier to the zinc and aluminum die-casting industry, not a direct competitor but a tightly coupled ecosystem peer.
• Bühler (Die Casting Business): Swiss-based supplier of die-casting machines, automation, and complete die-casting cells. Equipment supplier and technology enabler for the same die-casting process used by the subject company, rather than a component competitor.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/druckguss

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Die Casting Mold and Tool Construction