... ,7475,etc8000 series: 8011,8A06,8090,etcStandardAISI, ASTM, EN ,BS, GB, DIN, JIS,etc.coloursGolden, rose gold, titanium golden coating, champagne ... & checkered sheet, so, prices is competitiver, and we can provide first-class service. Besides, we have our own spectrometer, which could test ...