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High-precision surface detection equipment, such as video microscope and metallographic testing instrument, inject accurate detection power into metallurgy, machinery, aerospace, electronics and other industries. They go deep into the micro-world, gain a detailed insight into the surface structure of materials and ensure impeccable quality. In the field of precision manufacturing, these devices help to improve product performance, accelerate technological innovation, escort the development of the industry, and lead all fields to higher technical standards.