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Great antiquity and profession
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.
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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.
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