DONGGUAN YUYANG INSTRUMENT CO.,LTD
                                                                                                           
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2022-08-04
Automatic Industrial Machine ISO Optical Comparator Profile Projector Vertical Optical Comparator Profile Projector
Discover the Jewelry Silver Gold Analyzer Portable Electronic Gold Testing Machine, a precise tool for measuring gold, platinum, silver, and other precious metals. This analyzer provides accurate K numbers, percentage purity, and density values without leaving traces. Ideal for pawnshops, jewelry stores, and labs.