Происхождение товара
Guangdong, China
Тип ювелирных инструментов / оборудования
Проверка и измерение
Product name
Electronic Gold Density Tester Machine
Function
Use tester gold Test Karat And Percentage
Keyword
gold tester machine,Gold Purity Balance
Application
pawn broking, bank, jewelry shop, jewelry factory...
Test material
gold,Silver,Pt....
Principle
Archimedes Principe