Beijing EFR Laser S&T Co., Ltd.
المقر الرئيسي في بكين
العنوان.:  The third floor, Building 1, No.15 Guangju Street,
 industrial Development Zone, Tongzhou District, Beijing
 التليفون.:
الفاكس:  +86-10-64361009
مكتب Dongguan
العنوان:  Room 1902, 3# Building, Putaozhuangyuan, Wanjiang District, Dongguan City, Guangdong Province, China
التليفون.: +86-769-23620190
 العنوان:  Room 1-207, 7# Building, Guanggu Headquarters Space, 
No. 38, Tangxunhu North Road, 
Donghu High-tech Development Zone, 
Wuhan City, Hubei Province, China
مكتب Jinan
 العنوان: Room 1-103, 2# Building, No. 58, Gongye North Road, 
Licheng District, Jinan City, Shandong Province, China