HuNan HengChang Chemical Products Co., LTD located in Changsha China. Our facory is focused on manufacturing and processing. The major products include: high purity boron powder, Amorphous Boron Powder, zirconium boride, Magnesium - Strontium Master Alloys, Nitrided titanium, B-CU alloy, LaB6 , CaB6. Special aluminum solar cells, Tungsten hexachloride, Boron tribromide . Titanium diboride .Sodium antimony hexafluoride, Potassium fluoroborate, Tungsten, titanium monoxide.fine aluminum powder ...