Shanghai ChangAi Electronic Science & Technology Co.,Ltd
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| Shenzhen Office |
ADD：E-516, Xinhai Flat, Longhua Town, Baoan, Shenzhen,China
Tel：0755-29800103
Fax：0755-28068546 |
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| Chengdu Office |
ADD：Rm511, Huaxia Tower, 3 Section Three, North Construction Road,
Chengdu, Sichuan, China
Tel：028－81986854 |
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