很遗憾，因您的浏览器版本过低导致无法获得最佳浏览体验，推荐下载安装谷歌浏览器！
Our mine rescue capsules include several types: 6 persons, 8persons ,10persons, 12persons, and 16 persons. These productshave been divided in two general types: a coal-mining type and a non-coal-mining type, to fulfill the requirements of all kinds of mines.
