另类视频精品在线_99国产精品亚洲区在线观看_Av一级特黄毛片在线_三级A∨中文字幕_国产一级黄片在线播放_公粗挺进了我的密道在线观看_亚洲AV无码成人黄网站爆乳动漫_日韩人妻无码潮喷中文视频_欧美极度精品另类_亚洲无码一卡二卡在线观看

Slag Stopping Ball is a ball that blocks the taphole at the end of tapping to block the slag from flowing into the ladle. This product is used for slag blocking during steel making. It is an indispensable ideal slag product for converter production. In the steel making process, the product is used to block the tapping port and automatically fall off when pouring the molten steel. This product ensures that the tapping port does not ignite or smoke. No steel, safety, environmental protection, energy saving, and durability.

• Prev: Slag Stopping Ball
• Next: Slag Stopping Ball