... Chromite, Pyrite, Zircon and Rutile, Monazite, Tungsten ore, Tin, Tantalum ore Zhengzhou Yufeng Heavy Machinery Co., Ltd has been ... , Monazite, Tungsten ore, Tin, Tantalum ore, Niobium mine and other non-ferrous metals, precious metals and non-metallic minerals, which with proportion ... sprial chute/ spiral separator for concentrating Tungsten ore, Tin, Tantalum ore, Niobium mine ORE--CHINA YUFNEG