Being established in 1984, zhuzhou Xinglong Industrial Co., Ltd, is a large inorganic silicon chemical enterprise in China. It is located in Zhuzhou City, Hunan Provice-the largest railway transportation hub in south China. It has convenient trasptation and exquisite environment. Its total annual capacities are 100000t/a white carbon and 300000t/a sodium silicate. The major products are minisize graduation, environment-friendly granule and superfine white carbon. There are 6 series and over 20 brands products which sell well both in China and abroad. Zhongqiang-branded white carbon and Xiangjiang-branded sodium silicate achieved the accrediatation of ISO9001: 2000 which are famous in inorganic silicon chemical industry.