PHT is an enterprise with a strong sense of social responsibility. We take care of the safety , physical and mental health of our employees, concern social environmental protection, and we devote ourselves to leading the development of chemical pharmaceutical industry with green chemical technology by advocating the scientific concept of green and environmental protection and shouldering the social responsibility of developing human health, we try best to provide customers with high-quality products, improve production efficiency, optimize process routes, promote energy conservation and emission reduction, and fulfill the glorious mission of guardian of life and health.