Product Testing & Improvement

After passing the mechanical, physical and chemical performance tests in the laboratory, we will take the qualified products to the customer's site for field tests again. During the test, pay close attention to the forward speed of the drill bit, drill rod, coupling and shank adapter, whether the hole is straight, hole depth and other indicators, and make technical improvements. Therefore, the user experience and market acceptance of rock drilling tools produced by Kings Rock Tools Co., Ltd. are guaranteed.

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As an original manufacturer of premium rock drilling hollow steel and tools, we ensure that you will always get the right rock drilling tools, knowledge, support and perfect solution for your operation.


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