stone polishing tools for natuanl diamond bruting and polishing 8*1.25,8*1.5 stone polishing tools for natural diamond bruting and polishing . Compared to genuine diamond, it not only has much high grinding efficiency, but the price is much lower. Therefore, it is the first choice for demand processing nowadays. The engineers of Sanhe corp. can control the wearability of polycrystalline diamond ...
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