- 链接地址:http://www.tungsten-copper.com/tungsten-copper-dart.html
- 链接标题:Tungsten Copper Dart - Chinatungsten Online
- 所属网站:www.tungsten-copper.com
- 被收藏次数:7152
China tungsten specializes in offering tungsten copper darts is a softer material, to show the color of brass, they generally with about 70%~80% tungsten content which owns high hardness and resistance wear.
版权声明:本文发布于特牛生活网 内容均来源于互联网 如有侵权联系删除