Results for GP-1200K in Electronic Instrument: 2 Selling Leads, Companies, Buying Leads

Gold Tester Gp-300K/1200K

2011-11-23
1. Only two weighing steps, the purity% of precious metals and gold karat can be tested rapidly...
Gold tester, GP-300K , GP-1200K

Precious Metal Tester Gp-1200K

2011-11-23
1. Only two weighing steps, the purity% of precious metals and gold karat can be tested rapidly...
precious metal tester, gold tester , gold karat tester