Tungsten alloy tip is in small volume with high density, which means tungsten alloy tip could be used in some fields need the little but heavy parts, such as counterweights for racing car, boat, yacht; sailboat, airplane, helicopter, racket, tank, etc. especially, some fields concerning with precision instrument, such as mobile phone tungsten alloy vibrator, clock cube, self-winding watches, anti-vibration toll holders, flywheel weights, etc.