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China Factory:

Add:Building B, Nanhu Avenue 789, Nanchang District,Wuxi City, Jiangsu Province, China

TEL 0086-510-68759636    0086-510-68002250

FAX:0086-510-68785260

MOBIL0086 15261585355

Postal Code: 214024

E-mail: osmarket@deferotech.com           Tina_guo@deferotech.com

Research Center :

China. Rm D204 , Mansion530 ,  No.18 Qingyuan Rd, Technology Park , New District, Wuxi

Canada marketing center

Canada.147 Liberty St,Toronto,ON,M6K 3G3

USA marketing center

USA.1428 Maxella Ave. #612 Marina Del Rey, CA  90292

USA.2 Watson Place Bldg 5, 2nd Floor Framingham, MA 01701