国内精品人妻无码久久久影院蜜桃 ,国产精品三级国产电影,欧美日韩国产精品,香蕉久久久久久av成人

Serviceline(08:00-18:00)

0318-5336300

Hebei Jiatuo Friction Material Co., Ltd. : Classification of Automobile Brake Blade (5)

Description:Semi-metal brake discSemi-metal mixture type brake disc (Semi - MET) mainly uses rough steel wool as....

Semi-metal brake disc


Semi-metal mixture type brake disc (Semi - MET) mainly uses rough steel wool as reinforcement fiber and important mixture. It is easy to distinguish asbestos and non - asbestos organic brake discs (NAO) in appearance (fine fibers and particles), and they also have certain magnetic properties.


This paper is organized by Hebei Jiatuo Friction Material Co., Ltd