Tianjin ZhongJian GuoKang Nano Technology Co., Ltd, which is a high-new technology enterprise with scientific research development production and sale. The company has collected senior experts, scientific researchers, professors from Academia Sinica and the country well-known research institution, which devote themselves to the Nano high-end technique developing, development and application. The corporation produces chiefly: Tourmaline function materials, nanometer, far infrared, magnet therapy, bamboo charcoal Fiber Textile Products and Tourmaline healthy products.