Dear Sir,
We are looking for German and russsia-made soft
tungsten gold (alloy of tungsten with 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 o ..