1. Brand:W3101 W3102 W34 W1 W2 
2. Content:W3 W34 W2 : W≧99.929% 
3. Character and usage   

   W3101:twist wire; it has good character in high temperature and endurance. Second crystal temperature>=1950, mainly used as filament wire in halogen filament, high temperature color filament, twist filament, white filament and fluorescence filament.     

    W3102:It has good character in roll and high temperature. Second crystal temperature>=1850, mainly used in white filament wire, vacuum tube heating wire.     

    W34:used in twist wire     

    W1,W2:Used as frame of vacuum tube, heating elements.
4. super thin white tungsten wire.

Specs:Φ3-14μm
Usage: electronic watch, electronic computer, mini-bulb and other precision equipment manufacture.