We are purching soft tungsten gold.
Quality Standard
Gold (AU) > 83.25 Tungsten (W) > 16.25,
Containing Ra > 0.03,
Density 18R / CM3,
Crystal grain size 8000 mm3,
Shape: Mahjong block, horseshoe.
Color: ink black inside and outside the same
When having questions on Soft tungsten gold purchase, please send your inquury!
