麻豆一级国产精品_亚洲高清久久不卡毛片_欧美三级电影在线观看免费_多毛小伙内射老太婆_成人精品黑人无码免费wn_亚州av综合日韩精品久久_香蕉视频在线网站_处破国产系列在线观看_亚洲日韩看片无码成人蜜芽_中文亚洲精品自拍

Hengli

Inoculant

Key words:

Products News

Inoculant


The chemical composition is stable, the quality deviation is small, the graphitization core is increased, and the graphite is refined. Promote gray cast iron to obtain A- type graphite, promote ductile cast iron graphite roundness, improve the spheroidization level, and improve the spheroidization rate. Reduce the tendency of white mouth, improve cutting performance, reduce the sensitivity of casting wall thickness, and make the organization uniform.