金沙js9线路中心-金沙棋牌1991cc

金沙js9线路中心
中国 美国
tel

High speed carbon fiber running roller with super thin wall

QQ截图20200821221326.jpg
QQ截图20200821221355.jpg
Necessary components of high-performance equipment/made by langda seiko
super thin wall(wall thickness 2mm) light in weight
length>3000mm
High strength and high speed>2000r/min
Superhard wear-resistant surface coating

Baidu
sogou