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Hollow auger coal drill rod (wet)
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Coal drill rod diameters commonly range from 26-38mm, with lengths of 0.5-6m. The rod body is made of alloy steel, hot-forged into a twisted spiral shape, and vacuum quenched. It is mainly used for drilling during coal mining, and is used with coal electric drills and other drilling machines.
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Shanxi Guangkai Machinery Technology Co., Ltd. was established in 2007. The company covers an area of 135 acres and has a standard factory building of 25,000 square meters. The company has 230 employees, 30 professional and technical personnel, and 11 senior management personnel.
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Baiquan Industrial Park in the Suburb of Yangquan City, Shanxi Province
