Min. Order Reference FOB Price
1 Piece US$1,000.00-1,129.00 / Piece
Product Description
Digital Electronic Precious Metal Density Test Machine Gold Purity Tester Product Description Principle Direct HZ-300K purity tester is according to the Archimedes principle of buoyancy method, accurately and quickly read the precious metal density and purity% use: Jewellery, banking, ...