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Changsha Rong Sheng optical technology Co., Ltd  

Address：Room 311,Business building,Hunan University Science 

                 Park,NO.186,GuYuan Road,Hi-Tech Development Zone,ChangSha City ,

                 Hunan Province，China

TEL     ：+0086 731 8979 3990

Web     ：www.antwerpbynight.com

Email   ：rsoptics@163.com

The sales department:

Contacts：  zhouwei

Mob：(0086 )138 7499 4800

WeChat :      138 7499 4800

E-mail  :    rsoptics@163.com

Outside of China

Contacts： Ella  

Mob : (0086) 133 9749 2608;

WeChat  :     133 9749 2608;

E-mail :  ellahandicrafts@vip.163.com