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Registered Address：Room 405, National University Science Park, Sichuan University, No. 99 Kehua North Road, Chengdu
Production Address：No. 68 Nanyi Road, Economic Development Zone, Longquanyi District, Chengdu City
Tel: 028-85466065
cai xiao feng : 13908065924(WeChat account)
Fax：028-85466064
Email：cdknd@163.com
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