成 人 网 站 免费视频 在 线,国产好深好硬好爽我还要视频,欧美成A高清在线观看,桃花岛亚洲精品tv自拍网站,夜夜高潮夜夜爽夜夜爱

This product is used for processing roller steel tube and rack. The speed and depth are adjustable, For electrical control, adopt imported “PLC”, which works accurately and with stable performance.

feeding, orientation, card tight, cut off (chamfering) can be completed in turn.