
Leading in Process Reliability for SMT PCBs and Power Modules
With solutions in electronics cleaning, precise analytics for process control, as well as failure remediation and risk assessment, ZESTRON helps maximize the reliability of electronic products and systematically prevent failures.
For over 30 years, leading electronics manufacturers have relied on this expertise – from process optimization to root cause analysis, with or without cleaning.
This Is ZESTRON
Electronics manufacturers face the challenge of producing SMT PCBs and power modules with maximum reliability. ZESTRON ensures stable processes, minimal failures, and the highest quality standards. With expertise in cleaning, analytics, and failure diagnostics, we help identify root causes and develop sustainable solutions – with or without cleaning.
For over 30 years, more than 3,000 customers have trusted this expertise and relied on our innovative solutions for electronics manufacturing.

SMT-Electronics
Process reliability from a single source.
From process qualification and electronics cleaning to in-depth surface analytics – as specialists in functional surfaces and critical interfaces, we ensure reliable PCBs and smooth operations. Our holistic approach includes root cause analysis of moisture-related failures as well as preventive measures to ensure technical cleanliness. This allows us to reduce failure risks and safeguard long-term quality.

Power Modules
Maximum Yield in Power Module Manufacturing
Thermo-mechanical stress and hard-to-define surfaces make it challenging to manufacture high-quality power modules. Our precise analytics and innovative surface modification ensure robust interconnections, stable processes, and maximum reliability – for the highest yield at lower cost.

Failure Analysis & Risk Assessment
Clarity in Failures and Defects.
Failures in assembled PCBs and power electronics lead to quality issues and financial risks. In the event of damage or during process validation, we support you with precise root cause analysis, sound risk assessment, and sustainable corrective measures – ensuring reliable products and contractual compliance.

8 Technical Centers Worldwide – Expertise Close to the Customer
In eight technical centers around the world, our experts work hands-on to determine the ideal combination of cleaning system and cleaning agent for reliable processes in electronics manufacturing.
The company headquarters in our state-of-the-art facility in Baar-Ebenhausen brings together this cleaning expertise, ensures rapid knowledge transfer, and provides solutions for demanding cleaning challenges.
From Family Business to Global Market Leader
Founded in 1992 as a business unit of Dr. O.K. Wack Chemie, ZESTRON has grown into a globally successful company. Through continuous expansion, innovation, and sustainable growth, ZESTRON is now a worldwide leader in high-precision cleaning and analytical services for the electronics industry.
What sets us apart: clear customer focus, deeply rooted expertise, and a highly qualified, dedicated team. For over 30 years, we have been delivering solutions that inspire trust – across demanding industries such as automotive, aerospace, and medical technology.
