Zhejiang HesErn Medical Dequice Co, Ltd. Amerika Kusini& Amerika ya Kaskazini Ivy Gao 86-159 8827 5677 sales@hisern.com Mashariki ya Kati na Afrika Ivy Gao 86-159 8827 5677 sales@hisern.com Asia Pacific Cherry xu 86-158 5758 5928 sales01@hisern.com