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Granite Square Rulers

The marble square rule is mainly made of the minerals such as Taoshi stone, plagioclase, olivine in small quantity, biotite and magnetite in trace quantity. The marble square rule has uniform texture, high stability, high strength and high hardness and can keep high precision under heavy load.
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The moorstone square rule is applied to measurement of industrial production and labs and mainly used for measuring the verticality and the parallelism in mechanical equipment measurement. Feature
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Jinan Xindeshitong Prescision Machinery Co.,Ltd 鲁ICP备11029869号