Zhangjiakou Boxin Industrial And Trade Co., Ltd. specializes in the research and development, production and sale of bentonite and related products. In the past ten years, our company has occupied a large share of domestic market, with the sample projects of the Bird Nest Stadium, the National Swimming Center, the CCTV New Tower, and suburban railways and subways. We export products to North Africa and Southeast Asia. Our annual turnover is 3 million US dollars. Please feel free to contact us for further information.