1)Shorter technology flow. 2)Micro-crystal structure,higher strength and toughness. 1,Melt-extracted steel fiber is made of adopting newest advanced technique-----Fusion and speedy stretch.And takes many advantages:(a) Shorter technology flow.(b) Micro-crystal structure,higher strength and toughness.(c) Its section is inregular crescent-type with rough surface,therefore,it can combine with fire- ...