Henan Kings Rock Tools Co., Ltd. is a modern high-tech company specializing in researching and manufacturing various premier quality hollow drill steel and rock drilling tools. We mainly produce Hex and Round hollow drill steel, small hole drill tools, drill bits, drill rods, coupling and shank adapters, which are widely used in mining, tunneling, railway, urban construction, water well, smelting and other related industrials.Our company have advanced heat treatment lines, rolling lines, CNC production lines, inspection and testing equipment and technology, which can produce all kinds of high-end rock drilling tools and monitor their quality. Through continuous technical progress, we have ensured that the product quality is in the leading position in the industry, and provide customers with more economical and efficient solutions for rock...
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