超碰免费在|99热69|我要干成人网|激情综,国产一区二区视频在线,电影另一只羊羔完整版未删版,2046未删减版成人片

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