Vicky Wang
vicky@gokang.com 
WeChat: 513185371
Skype: liuguangyisui
Shaanxi Asttar Explosion-proof Safety Technology Co., Ltd.
No.3699 Shangyuan Road,710021, Xi'an, China
Tel:  +86-29-86538161
Fax: +86-29-86562003
www.asttar.com