Quality Insurance

The raw materials are produced by domestic famous steel plant.

Our company has advanced quality control instrument such as direct reading chemical spectrometer,metallographic examination microscope, hardness tester,polishing instrument, so as to ensure 100% qualification of raw material and products; our factory quality management system has been certified as per ISO9001.



There are advanced heat treatment equipments as carburizing furnace, normalized production line, and guarantees products mechanical properties meeting rock drilling requirements.

Our production procedure is stable and we nominated quality inspector to monitor each process parameters to ensure every piece of work is in conformity with standard requirements.

Kings rock tools

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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