HeBei HanDan.congtai street renhe road NO.179, Handan, Hebei
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详情
Niobium content in the range of *0.0% ~ *0.0%,Niobium is a kind of
plasticity metal,gray,Its density is: 8.*7 g/cm,Niobium iron melt
temperature is close to ***0 degree.
Screen: *0 mesh all through
The function As electrode materials in the covering
Increase the transition element niobium
