Testing Center：               Tel: +86-731-22495120  Fax: +86-731-22495101   E-mail: Latex101@sina.com

Standardization Center：Tel: +86-731-22495121  Fax:+86-731-22494158   E-mail: standards@163.com        

Address: No.818, East Xinhua Road,Hetang District, Zhuzhou,Hunan,China.