.... b) No damage detection, clean and environmentally friendly. c) Add only 15 seconds, convenient, stable and accurate. d) Multi-mode, gold mode, platinum mode, other precious metal mode can be switched. e) Multi-functional, can measure the purity of...
DONGGUAN YUYANG INSTRUMENT CO.,LTD
1207 International Commercial Building, No.81, Hongfu West Road, Nancheng District, Dongguan City, Guangdong Province, China