subject: Simple Description On Manganese Products Now [print this page] At present the manganese products include mainly crude and merchantable ore in addition to rich manganese slag and alloys, manganate and composite manganese dioxide. In 1997, 5.976 million tons of Mn ores were produced, down by 22% compared with the previous year, and 3.694 million tons of processed ores, decreasing by 16.3% from 1996. The key manganese mines produced 193,000 tons of crude ores and 91,500 tons of processed ores, amounting to 3.2% and 2.5% of the national total production, respectively; the local mines, 1,881,000 tons (31.5%) of crude ores and 1,126,300 tons (30.5%) of processed ores; township collective-owned and self-employed mines, 3,902,000 tons (65.3%) of crude ores and 2,476,300 tons (67%) of processed ores.Henan Hongxing Mining Machinery Co., Ltd is the professional manufacturer of complete sets of mining machinery, for example,sand washing plant,ball mill Welcome all of you to visit our official website.mobile jaw crusher:http://www.hxjqchina.com/product-list_11.html The world"s total output of manganese ores of 1997 was 22,959,300 tons, corresponding to 7,500,000 tons of metal Mn. South Africa ranked first, producing 3,111,900 tons (1.32 million tons of metallic Mn); Australia, 1 million tons of metal Mn; Ukraine and Gabon, 930,000 tons of metal Mn each; and Brazil, 860,000 tons of metal Mn. China produced 5,976,000 tons of crude ores and 3,694,000 tons of processed ores, corresponding to 1.1 million tons of metal Mn assuming the Mn content is 30%. This implies that China took the second place in the world.Henan Hongxing Mining Machinery Co., Ltd is a joint-stock mining machinery manufacturing enterprise integrated in scientific research, production and marketing. It is located at the High & New Technology Industries Development Zone of Zhengzhou,China with an area of 50 thousand m2 which includes 15,000 m2 of standard heavy duty industrial workshop. Equipments are more than 160 pieces, including large and medium sized metal processing, riveting and installing equipments. There are more than 660 workers including 80 administrators with secondary and senior occupational titles and engineering technicians. In order to promote the competitive strength, the advanced technologies have been introduced from America, Germany, Japan and Australia, which established the international advanced production line, first-class modern testing base as well as research centers of sand maker, mill and mine-selecting equipment. Scientific management, advanced processing technology and innovative manufacturing theory make the company become the mining machinery manufacturing and exporting base in China.