RM4002,#217 JINGLING NORTH ROAD,XINBEI DISTRICT,CHANGZHOU,JIANGSU,CHINA

Chen Tong Yuan Communication Equipment Co. is located in Changzhou City, Jiangsu Province, which is a beautiful industrial city. We have 10 years experiecne in telecom industry, in today&＃39;s ra...

F19, Building A, Maples Center, Xizhimen North street 32, Haidian District, Beijing

Beijing Circloop Digital Image Tech. Co., Ltd. is a private company established in 2000 and has been honored as "A High-Tech Enterprise" by Beijing High Technology Industry Developme...