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Tel: +86-731-22495120
Fax: +86-731-22495101
E-mail: Latex101@sina.com
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Tel: +86-731-22495121
Fax:+86-731-22494158
E-mail: standards@163.com
Address: No.818, East Xinhua Road,Hetang District, Zhuzhou,Hunan,China.