Beijing Head Office

Beijing Estek Electronics Co. Ltd.,

Rm6A06,Changyin Office Building NO.88 Yongding Road, Haidian District, Beijing

Zip code: 100039

Tel: 010-51288598

Fax: 010-58895793
E-mail: et@estek.com.cn

Website: www.estek.com.cn

Tel:86-10-51288598 ﹛﹛ Fax:86-10-58895793 ﹛﹛Zip code:100039﹛﹛ E-mail:et@estek.com.cn