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Dear friends,Have a good day.We are a factory of vacuum brazed diamond toolsadvantage:1: waterless drills , this is one of our company's featured products2: If you can operate according to our company's requirementsThe total number of holes that can be vacuum brazed with PC diamond hollow drills will be twice that of electroplated diamond drills.3: Obtained a patent for vacuum brazed diamond tools4: Brazed diamond tools can be dried without adding water

If you have any questions, please feel free to contact us and a free sample will be sent to you for your evaluation.RgsJulie

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