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Quality services

Precision in perfection - quality assurance for the industry

Craftsman checks a tool on a table in a workshop with a flashlight.

Reliable expertise for the highest demands

As an experienced partner to the automotive industry, we offer a comprehensive range of quality assurance services tailored to your individual requirements.

Overview of quality services

Whether Q-gates, surface finishing or resistance tests: Our quality services combine in-depth process understanding with state-of-the-art technology and comprehensive material expertise. From painting and polishing processes to laser technologies and testing methods for abrasion and chemical resistance - we deliver tailor-made solutions for OEMs, Tier 1 and industrial partners. Rely on proven expertise in leather, metal and plastic applications for the highest product quality along your entire value chain.

ZETTL employees in safety clothing carry out a technical check on a device while a monitor displays information.

Quality control points are used to detect errors in production, logistics and business processes at an early stage and prevent the continuation of defective products or processes. They are based on defined quality criteria, test procedures and KPIs, supported by technical integration, monitoring and real-time optimization.Muster operates customer-specific Q-Gates at its own site and offers flexible solutions that can be adapted at short notice. Muster also supports the implementation and operation of external Q-gates with experience, standards and technical expertise.

High-quality painting of a car part with a spray gun in a professional workshop, focus on precise application and processing.

Zettl ensures consistently high quality through modern technology, specialized testing procedures and clear standards. Technical know-how, proven methods and implementation expertise enable reliable and efficient solutions even for complex requirements - with a focus on quality, innovation and excellence.

Close-up of a car preparation process in which a craftsman wearing black gloves uses a polishing machine on the hood of a blue vehicle. The focus is on the application of polish to improve the paint surface.

Mechanical polishing is one of the most demanding surface treatment processes. Even the smallest deviations in pressure, speed or polishing agent can lead to faulty results - especially with complex geometries or sensitive materials.

Close-up of a modern vehicle chair with ergonomic design in black and gray, refined by ZETTL.

The processing of leather and metal applications requires the highest level of precision craftsmanship and a deep understanding of materials and processing techniques. Tolerances are often minimal, and errors in cutting, gluing or assembly have a direct impact on the look and feel.

Hand with white glove using a blue cleaning cloth on a shiny surface to remove dust and dirt.

Smart surfaces combine electronics, design and material in one element - the demands on quality assurance are correspondingly high. Only those who comprehensively test function, appearance and durability can guarantee a reliable and high-quality solution.

Close-up of a painting process in which red paint is applied to a metallic surface with a brush.

Whether abrasion, UV radiation or chemical stress - Muster tests what products really have to withstand in everyday life. Fast, precise and practical. For resilient quality without compromise.

Objectives of the services

Our services aim not only to ensure quality, but also to systematically improve it. By reducing error rates and rejects, continuously optimizing process stability and systematically reducing rework and costs, we create sustainable efficiency benefits along your value chain. At the same time, we strengthen compliance with all quality requirements and actively contribute to greater customer satisfaction - for more stability, security and market success.

Ensuring compliance with all quality requirements

Reduction of error rates & rejects

Improvement of process stability & product quality

Cost reduction through reduced rework & rejects

Higher customer satisfaction through improved product quality

Holistic testing processes for maximum quality assurance

Our quality services are based on a sophisticated combination of precise inspection, clearly defined quality features, seamless documentation and a wide range of applications in series production. The modular structure allows each inspection task to be individually tailored to your requirements - from visual inspection to complaints management. The following overview shows the central components of our inspection processes.

Checking, sorting & reworking

  • Visual inspections & component measurements
  • Functional tests
  • Material reworking & sorting
  • Laser cleaning

Quality features

  • Reproducible results
  • Objective & comprehensible measurement data
  • Modern test methods

Documentation

  • Complete recording of all test parameters & results
  • Traceability through digital test protocols & automated reports
  • Use of smart data

Possible applications

  • Production (EOL)
  • Quality Gates
  • Incoming goods inspection
  • Initial sample inspection
  • Customer complaint management

Contact us now without obligation - we will advise you personally

Would you like to make your inspection processes more efficient or do you need short-term support with quality tasks? Whether it's series production, incoming goods, rework or complaints management - we are at your side with tried-and-tested solutions and experienced experts.