Solarsoncarbide-------how does the tungsten carbide material come from

Where is the tungsten carbide material from:

Wolframite Mine (Mining)--------Metallurgical (APT/Tungsten Oxide)----------
-------Deep Processing (Tungsten powder/ Tungsten carbide powder)-------
------Tungsten carbide powder---------Ready to Press powder

RTP is the material for tungsten carbide products. Please see below in details:

Lampscity Co., LTD
www.solarsoncarbide.com
www.solar-son.com