Trademark Registration Certificate No. of Jinggu Cheng Measuring Machinery Co., Ltd6218323

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Spiral micrometer:Purpose: Measurement of large and complete equipment. The spiral micrometer is mainly used for high-precision measurement of parallelism, flatness, and other precision components. The rock gauge base measuring instrument is made of high-quality "Jinan Qing" natural granite material, which is processed mechanically and finely ground by hand. The spiral micrometer has the advantages of high accuracy, rust resistance, acid and alkali resistance, non magnetization, invariance, and good wear resistance. Can maintain stability under heavy loads and normal temperatures. The rock table measuring instrument is an ideal reference plane for the inspection of various instruments, precision tools, and mechanical components, especially for high-precision measurements.

Spiral micrometer