Classic case (18)
Authority - hendry jewelry jewelry jade testing center in southwest China test center procurement division yuxing company konica minolta spectrum test instrument.
Family reputation fluorescence spectrum analyzer to obtain national metrology center certification, it's one of the few domestic has won the certificate of spectrometer manufacturers.
Reputation spectrometric gold machine with a built-in computer that can be integrated test purity of gold, platinum, palladium, silver and other precious metals, can issue the authoritative test report.