... , aluminum, aluminum alloy, steel wire. 2.high quality JY400 type high speed tubular stranding machine DescriptionThe machine is suitable for copper, aluminum, aluminum ... , thus completing the basic twisting action unit. Compared with the basket type stranding machine, the principle is the same, but the structure ... NOSpec400/1+6400/1+121mmsingle wire mm copper0.8-2.50.8-2.5Al0.8-3.00.8-3.0Steel wire0. ...