Zhengzhou Jintai 10 Mining Machinery Co., Ltd. specializes in manufacturing all kinds of mining machinery: mining machinery for white tungsten ore, mining machinery for black tungsten ore , mining machinery for tungsten ore , mining machinery, mining machinery for white tungsten ore, mining machinery for black tungsten ore , mining machinery for tungsten ore , mining machinery, mining machinery for white tungsten ore, mining machinery for black tungsten ore , mining machinery for tungsten ore , mining machinery. It was originally designated by the Ministry of Railways as the Unit producing locomotive vehicle accessories. Its production & sales and every integrative economic index rank first in the same industry.