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North China, Inner Mongolia, Hunan, Hubei: Zhao Shuping 18917652918
Northwest and Southwest regions: Xu Amway 13359207732
Shanxi: Zhang Zhengguang
Henan, Shandong, Jiangsu (Jiangbei), Northeast China: Changguan 18917652915
Jiangsu (South of the Yangtze River), Zhejiang, Shanghai: Yao Dandan 18917652916
Guangdong, Guangxi, Jiangxi, Fujian, Guizhou: Tang Shucong 18917652917
link：Shanghai Defu Optoelectronics Technology Co. LTD Shanghai Nisera Sensor Co. LTD Shanghai Optoelectronics Technology Co., LTD
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Contact
Service telephone
021-65253535（Total）
021-65368034（Sales）
021-65171860（Service）
Tel：（86）21-65253535 Advertising cooperation（86）21-65368034 Phone：18917652928 Fax：（86）21-55610066 E-mail：dekai@vip.sina.com
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