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Headquarter in Beijing
Room701, Jia Hui Center, No.6 Building Jiqingli
Chaoyang District, Beijing 100020
P.R.China
Tel: 8610-6553 3388
Fax: 8610-6553 0080
Email: Webmaster@bjchangsheng.com
Headquarter in Beijing
Room701, Jia Hui Center, No.6 Building Jiqingli
Chaoyang District, Beijing 100020
P.R.China
Tel: 8610-6553 3388
Fax: 8610-6553 0080
Email: Webmaster@bjchangsheng.com
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webmaster@bjchangsheng.com
