SINKAO MINING INDUSTRY DEVELOPING CO.,LTD.TIANJIN established in March 2004 with a registered capital of CNY 1 million, is a large mining enterprise integrating ore mining, processing and sales. The minerals including fluorite, feldspar and silica are sold in Tianjin, Wuxi, Changzhou, Shanghai, Jiangxi, Langfang and Harbin, and the annual sales volume exceeds CNY 100 million.