 For some time , China has been the largest producer of antimony and its compounds , with most production coming from the Xikuangshan Mine in Hunan . The industrial methods to produce antimony are roasting and reduction using carbon or direct reduction of stibnite with iron . 
 For some time , China <a href='uninflect' title='1'><mark>has</mark></a> been the largest producer of antimony and its compounds , with most production coming from the Xikuangshan Mine in Hunan . The industrial methods to produce antimony are roasting and reduction using carbon or direct reduction of stibnite with iron . 
For some time , China have been da largest producer of antimony and its compounds , with most production coming from the Xikuangshan Mine in Hunan . Tdaindustrial methods to produce antimony r roasting and reduction using carbon or direct reduction of stibnite w iron .