anna wholesale jewelry and accessoried
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anna wholesale jewelry and accessoried
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tam's wholesale jewelry dublin ca In the past, before the laser technology was not invented, it was perforated on diamond (diamond), or polished, all of which used diamond powder (commonly known as "diamond sand"), and the metal needles rotated (because of heat, water must be cooled with water). In the past, due to technical conditions and low speed, the processing efficiency was low. A lot of working hours were required to transfer a hole, and the processing cost was very high. Therefore, it is rare for jewelry made on diamonds.
Now, during the process of gems, the polished process is still indispensable to use diamond powder. However, due to the advent of laser technology, the punching on diamonds and other high -end gems is much easier.