老司机免费视频-超碰在线公开-婷婷综合五月天-一起草在线视频-综合色av-日本草逼视频-国产大奶-日韩激情图片-亚洲在线网站-国产99在线观看-日本免费三片在线播放-成人毛片软件-久久经典视频-筱田优全部av免费观看-日日夜夜中文字幕-艳情五月-致命魔术电影高清在线观看-青娱乐国产精品-明星毛片-男女h网站

The copper clad steel wire adopts the advanced cladding welding manufacturing technology to coat the high-quality copper strip concentrically on the outer surface of the aluminum rod or steel wire core wire, and form a solid metallurgical bond between the copper layer and the core wire. In the process of drawing, copper and aluminum can be reduced in the same proportion, while the volume ratio of copper layer remains relatively constant.

The copper-clad aluminum wire adopts the advanced cladding welding manufacturing technology to coat the high-quality copper tape on the outer surface of the aluminum rod or steel wire core wire concentrically, and form a solid metallurgical combination between the copper layer and the core wire. In the process of drawing, copper and aluminum can be reduced in the same proportion, while the volume ratio of copper layer remains relatively constant.