Glass drilling machine with high quality bronze sintering machine
About Product:This product is made of high quality diamond sand, high performance price ratio, durable and reliable. Performance and advantages: open hole, smooth, no broken edge, will not produce the phenomenon of tremor. The cut resistance is small, and the opening speed is improved. Product use: glass, ceramics, tiles, marble and other hard brittle materials than ordinary sintering machine drill 3 times more durable!
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