91 九色视频丝袜_日韩 无码 二区_色欧美日韩亚洲_亚洲中文精品乱码_国产福利在线观看精品_国产欧美午夜久久_被窝福利视频不卡片_榴莲视频黄版下载_亚洲天堂激情_国产凹凸在线一区二区色老头

DMM series magnesium refining production line features:

1. Use gas or electric heating to ensure melting efficiency and increase productivity.

2. Magnesium liquid automatic liquid transfer and quantitative casting, reflux type quantitative pouring pipe, effectively improve product quality and save labor.

3. Double metal composite concrete, complete gas protection device, multi-channel alarm device.

4. Ingot casting using automatic horizontal continuous casting machine.