Shenzhen BST Science & Technology Co., Ltd sell SH-Oligopeptide-78. Human hair fibers structure consists of cuticle, cortex and medulla. The cuticle constitutes about 15% by weight of the hair and consists of overlapping layers of cells, similar to a system of scales, with high ...
关键词: 描述: 细节 整体 CBN 刀片规格 型号:SNGN、SCGN、CNGN、TNGN、DNGN、RNGN、RCGX、RCGV等 整体CBN刀片的应用:刹车盘、刹车鼓、泵零件、齿轮、阀门、轴承、滚子、发动机气缸盖、气缸套、气缸体、动力等。 ...