My tungsten ore video introduction.

Tungsten square style show.

Wo Bird fashion glasses-tungsten carbon series.

SW series of tungsten alloy tactical defense pen, SW-2 is a military quality by plane, train emergency escape security, tactical defense, business writing and other powerful features in one of the tactical pen.

Attack head material: Tungsten carbide, can be easily shattered window glass to prepare for emergency escape function, the tail cone structure of the human body can be more effective tactical tactical self-defense attack to blow each other cause some damage.