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Address：No.4 Yingxia Road, Changsha Economic and Technological Development Zone, Hunan Province, China
Tel: +86-731-86773777
E-Mail：as@alpha-std.com
Mob: Ms. Li +86-15700766788
Web：www.alpha-std.com
E-Mail for complaining：tousu@alpha-std.com
Address：No.4 Yingxia Road, Changsha Economic and Technological Development Zone, Hunan Province, China
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