ZHT Sci-Tech(Beijing) Co,Ltd is a new technology corporation which is engage in plant extract research, manufacture and sales. On bases of high quality, first-class service and reputation, the corporation is confirmed by many customers and other peers in this line. Along with the innovation of technology and expansion of business, the company has become a predominant one in line of pharmaceutical raw materials and plant extract sales and export. In addition, as all its raw materials and ...