☆Crushed by an autogenous mill machine therefore the regular multilateral bodies represent as sphere and roundly improve the liquidity. 
☆ Particles processed by 25000 Gauss magnetic separator, not a single metal particle is allowed for a hundred tons of products. 
☆ Single particle density reaches 3.93g/cm³, resistance of high temperature and corrosion. 
☆Dedicated screen for each size BFA and uses an independent screening system to prevent larger particles. 
☆Perfect Storage System by place the products at specified region.