CEC Huada Electronic Design Co., Ltd.
Add.: Building C, CEC Network Security and Information Technology Base, South Region of Future Science Park, Beiqijia County, Changping District, Beijing, 102209, P.R.China
Tel.: +86 (010) 52171568
Fax: +86  (010) 52171569
Website: www.hed.com.cn

Shanghai Huahong Integrated Circuits Co.,Ltd.
Add.: 6/F, Block A, No.1867 Zhongke Road, Pudong New Area, Shanghai, 201210, P.R.China
Tel.: +86 (021) 38804880
Fax: +86 (021) 38804884
Website: www.shhic.com