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Coal drill bit
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Common specifications for mining coal and rock drill bits range from Ф28 - Ф42mm, used with dry coal drill rods; the two-wing materials include cemented carbide and PCD composite. Mainly used for drilling anchor support holes in soft to medium-hard rock in coal mines, suitable for roadway operations with rock hardness f≤8.
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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
