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ADD:Dongsha Chemical Zone, Zhangjiagang City, Jiangsu Province, China
P.C.:215619 Tel:+86-58693188 +86-58678398 Fax::+86-58686995 +86-58689720
http://www.sevencontinent.com
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ADD:Add: No.528,Changjiang Road, Yangtse River International Chemical Park, Zhangjiagang City, China
P.C.:215635 Tel:+86-58319928 Fax::+86-58723488
http://www.hspharm.cn
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ADD:No.1, Nanhai Road, Yangtse River International Chemical Park, Zhangjiagang City, Jiangsu Province, China
P.C.:215634 Tel:+86-58185820 58182763 Fax::+86-58182700
www.huachangpharm.com
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Basic chemical 
