Our patent "low-grade refractory ore complex manufacturing process granulated iron" was authorized by the Chinese Patent Office

Our patent "low-grade refractory ore complex manufacturing process granulated iron" was authorized by the Chinese Patent Office .Our company patents "low-grade refractory ore complex manufacturing process of iron tablets," was authorized by Chinese Intellectual Property Office on October 31, 2012,by far ,our company using this patented technology processing low-grade refractory ore complex as oolitic hematite, hematite, mirror, limonite, siderite, antelope quarry low grade refractory ore, ilmenite vanadium, boron, iron ore, nickel laterite ore and other metal complex, and non-ferrous metal oxides such as sulfuric acid residue slag, alumina red mud, copper smelting slag, lead, zinc slag, sludge and dust high-sulfur, high-phosphorus, arsenic, and other special high grain iron ore manufacturing processes are protected by the law.