Quality
Quality and Reliability
Trust MDD to uphold superior quality, sustainability and reliability across our entire business, from manufacturing to customer support.
Quality Philosophy
At MDD, quality is embedded in every process and every link of our global supply chain. From design and manufacturing to testing and delivery, we ensure that every component meets stringent standards.
We strive not only to meet but to exceed customer expectations with industry-leading semiconductor solutions and professional technical support. Providing reliable, high-performance products has been our core mission since our founding, a commitment we have upheld for more than three decades.

With decades of industry expertise and a focus on innovation, MDD delivers trusted solutions to partners worldwide, enabling them to gain advantages and thrive in a fast-paced, competitive marketplace.
Reliability Laboratory
We uphold rigorous standards to ensure our products deliver high reliability and performance
Reliability Testing
We conduct product reliability testing tailored to customer requirements, professionally evaluate test results, deliver accurate data and issue comprehensive test reports.
Lightning and Surge Immunity Testing
We conduct product reliability testing tailored to customer requirements, professionally evaluate test results, deliver accurate data and issue comprehensive test reports.
Failure Analysis
We analyze failed samples encountered during testing to identify preliminary failure causes and assist product engineers in pinpointing the root causes of product failures.
Dynamic and Static Parameter Testing
We test the electrical performance of products under specified conditions, including dynamic and static parameter verification at high and low temperatures.
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Quality & Environment
Easily access and download official product quality and compliance certificates.
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Quality Documents
MDD holds numerous internationally recognized quality certifications, ensuring every product meets stringent standards for reliability and performance.
Hazardous Substance Control
MDD is certified to international environmental standards, underscoring our commitment to sustainable practices and eco-friendly manufacturing.
After-Sales Service Analysis Process
Microdiode Semiconductor is equipped with a dedicated Failure Analysis (FA) team and an exclusive FA laboratory.

We commit to delivering a complete analysis report within 5–7 working days from receipt of customer samples, with 24-hour on-site support available.
Other Information (PCN)
In the event of product changes,
we will consult with customers in advance.
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pinpaimdd@mddchenda.com
+86 189 2606 7185