Suzhou Hengyi Pharmaceutical Materials Co.,Ltd. is a large chemical enterprise taking the scientific attitude to the responsibility to environment to insure the sustainable development of our company. The company carries out modern environmental protection and safety management in production according to the international environmental protection and safety standard, and cooperates with several domestic and foreign environmental protection engineering and research institutes to make our clean production and environmental protection up to internation advanced level and has passed the check and acceptance by national environmental protection department.