Changchun Matenu Medical Apparatus Ltd. 
Building No. 4 , Public garden , Chuncheng street 68, Lvyuan district 
Tel: 86-431-87625788 
Fax: 86-431-87624788 
E-mail:betty_tian@yeah.net, matenu.sales@hotmail.com                                                                          Skype:bettytian0124
Website: www.mantenuo.com.cn
Alibaba: mantenuo.en.alibaba.com