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About Us
About Eutin International
Shanghai Yunding International Trading Co., Ltd.
Headquartered at Guosheng Center in the Changfeng Ecological Business District of Putuo, Shanghai, we focus on appearance inspection and are one of China’s leading solution providers for color, thickness, haze, gloss, weathering, salt spray corrosion, particle defect, and emissivity testing.
We actively participate in industry conferences, help draft multiple national standards, focus on emerging industries, lead new appearance-inspection methods, and have made outstanding contributions to research and technical validation in China.

Our Mission and Vision
Our Mission
To provide comprehensive solutions for standardized color measurement, coating thickness on steel and aluminum surfaces, thickness measurement for lithium battery separator base films and thermal insulation coatings, weathering tests, haze and gloss testing, emissivity testing, and particle defect inspection.
- Integrated equipment supply
- Comprehensive solutions
- Standard test method development
- Appearance inspection expertise
Our Vision
Eutin helps you succeed, and Yunding helps you succeed.
- Grow with our team
- Grow with our partners
- Grow with our customers
- Advance appearance-inspection methods together
Sincere Service
With 15 years of steady growth, our young and capable team serves customers with sincerity, going beyond expectations and earning strong recognition and support.
Industry Participation
We actively participate in industry conferences and help draft multiple national standards to advance appearance-inspection methods and shared understanding.
Technical Leadership
We focus on new industries and lead new appearance-inspection methods, contributing to research and technical validation in China.
Grow Together
We keep growing with our team, partners, and customers while providing world-class instruments and integrated solutions.
Appearance Inspection Experts
Shanghai Yunding International Trading Co., Ltd. is headquartered at Guosheng Center in the Changfeng Ecological Business District of Putuo, Shanghai. We focus on appearance inspection and are a leading solution provider in China for color, thickness, haze, gloss, weathering, salt spray corrosion, particle defect, and emissivity testing.
Core Focus Areas
Standardized color measurement, coating thickness on steel and aluminum surfaces, thickness measurement for lithium battery separator base films and thermal insulation coatings, weathering tests, haze and gloss testing, emissivity testing, and particle defect inspection.
15 Years of Growth
Our young and capable team has always served customers with sincerity, provided world-class instruments, and worked together to build standard test methods.
Keep Moving Forward
We will continue to climb in the field of appearance inspection, contributing to method development and integrated equipment supply with steady focus.
Yunding at a Glance
Headquarters
Guosheng Center, Putuo, Shanghai
Focus
Appearance inspection
Standards
Multiple national standards
Capability
Integrated solutions supply
Service Mindset
Beyond customer expectations
Our Story
Appearance inspection experts - Yunding is always by your side!
Growing together with our team, partners, and customers is the lifelong pursuit of the Yunding team.
Eutin helps you succeed, and Yunding helps you succeed.