Tianjin ZhengTian Medical Instruments Co., Ltd.
8-2-1101, No.15 De Sheng Men,
Xi Da Jie, Beijing 100082, China

+86-10-8229-2929 Ext.897
+86-10-8229-2929 Ext.855

+86-10-8229-0820

International Department
E-mail: sales@naton.cn or  info@naton.cn