亚洲高清av在线播放,色综久久,色戒电影未删减完整版免费观看,国产日韩欧美二区,国产精品国产三级国产专区55,2018日韩中文字幕,逢泽遥完整版未删减在线观看

Nodulizer

Nodulizer

Nodulizer, also known as rare earth silicon magnesium nodulizer (FeSiMg), is an additive that can promote the crystallization of graphite into spherical cast iron. The main component of "spheroidizing agent" is nodularizing elements, such as Mg, Ce, Ca, etc. Silicon-magnesium-iron nodulizers can significantly improve the strength of cast iron, and have the functions of degassing.Silicon-magnesium-iron nodulizers are widely used in metallurgy and steel

+ Read More

Welcome to your inquiry!

Service Hotline:+86 15837207537    Whatsapp:8615837207537    Email:info@lsalloy.com