[Exhibition Spotlight] Luoyang Jinlu Makes a Stunning Appearance | The 2025 Beijing International Coal and Mining Technology Exchange Exhibition opens from October 28 to 31, 2025—join us at the event!

From October 28 to 31, 2025, the 21st China International Coal Mining Technology Exchange and Equipment Exhibition will be held grandly at the China International Exhibition Center (Shunyi Venue) in Beijing. This year, Luoyang Jinlu will showcase its full range of rock-drilling engineering tools—including coal cutting picks, tunneling teeth, PDC drill bits, and wear-resistant crushing tools—at Booth 4327 in Hall A4, offering customers comprehensive drilling solutions for mining and geological engineering projects. We look forward to seeing you at the exhibition!

Ways to improve the service life of ball tooth bits

Ball tooth bits are increasingly used in mining, railway, hydropower, and geological industries due to their high rock breaking efficiency, effective elimination of blind zones at the bottom of rock holes, avoidance of repeated crushing of rock debris, coarse crushed rock powder particle size, and improvement of worker safety conditions. The service life of ball tooth bits is directly related not only to their structure, material, and processing quality, but also to rock properties, rock drill type, oil pressure, sharpening, and the skill level of the rock drill operator. This paper briefly discusses methods for improving the service life of ball tooth bits from the aspects of material selection, product design, processing technology and quality control, and product use.

【 Exhibition Topic 】 Luoyang Jinlu will debut at the 2025 Guangxi International Mining Exhibition | Luoyang Jinlu, waiting for your visit!

【 Exhibition Topic 】 Luoyang Jinlu will debut at the 2025 Guangxi International Mining Exhibition | Luoyang Jinlu, waiting for your visit!

Build defenses and assume responsibility

On April 3, General Manager Yang Yue led a safety inspection before the Qingming Festival, deploying on-site work assignments and emphasizing key inspection points to ensure production safety during the holiday period. The main contents are as follows:

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