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Hgi Limestone Marble

The mohs scale of hardness was created in 1812 by german geologistmineralogist friedrich mohs.This method of hardness judgement is based.

We are a mining equipment production and sales company, with three production bases and four research institutes, more than 600 production equipment, precision production, and service globally.

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Our company has won wide praise at home and abroad with exquisite technology and advanced technology, and has become the export base of China's large-scale mining machinery