Iridium powder or liquid
Platinum metal
Cast tungsten carbide powder powders: YZ-10f,YZ10-20f,YZ20-30f,YZ40-60f,YZ60-80,YZ100-200f,YZ200-400f.
Alumina powder
Selenium metallic powder
Zircon sand
Chromium powder
Gold dust powder
Ruthenium metal powder
Zircon sand
Melamine powder
Cobalt & diamond powder
Induction furnace, apt(amino para tungstate)
Metal powders
Amoniem pera tungstate
Tungsten powder.
Lc FeMn powder.
Ammonium molybdate
Phenol crystal, melamine powder
Metal powder & minerals