Custom-sized diamond core drill bits are useful and indispensable tools for people working in construction and stone processing industries. Such bits make it possible to drill through a wide range of materials while providing effective and aesthetic cut-outs that are neat and clean. At Beijing DEYI Diamond Products Co., Ltd., new technology and vast experience in drill bits manufacturing allows us to produce tools which pass the international standards and even go a step further. Our focus on quality and creativity makes us one of the most sought after companies for clients with a need for drilling applications or even for purposes.
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