As the first factory Importing from Europe production technology of threaded drill rods in 1993

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As the first factory Importing from Europe production technology of threaded drill rods in 1993, LHS greatly improved the quality of threaded drill rods in China. Until 2021, LHS has ranked the first in Chinese industry regarding sales volume, market share and export volume.

tapered rods, fully carburized tapered rods, high-quality tapered rods

Found in 1969, LHS Rock Tools, as a professional manufacturer of drilling tools, is awarded as a key unit of the former Ministry of Machinery Industry of China and China Nonferrous Metals.