tungsten fishing sinkers 1.High density,High strength 2.smaller volume 3.Low thermal expansion coefficient 4.High modulus tungsten fishing sinkersIntroductionTungsten heavy alloy parts are materials with tungsten(mainly)and low amounts of Ni,Fe ,Cu,Co,Mo,Cr etc(less then 15%). Luoyang achemetal Co., Ltd produce Tungsten Heavy Alloys with density from 16.8g/cm3 to 18.7g/cm3.Tungsten heavy alloys ...