Contact us

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Tel:+86-21-5240 0198
Email: info@qast.com

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Tel:+86-21-5240 1000
Email: support@qast.com

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Shanghai Headquarter :
Add: 21/F, Zhao Feng World Trade Building,
No.369 Jiang Su Road,
Shanghai 200050, China
Tel: +86-21-52401000
Fax: +86-21-52400179