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Zhejiang rongkai technology development co. ltd
General manager: zhang yunwen
Contact person: lu weizhongTel： 86 0578-8185278Phone：86 13905786738
Contact person: lu guangPhone：86 13905786732
Service hotline：86 0578-8185166Fax：86 0578-8529050
Web：www.bj-gsc.comE-mail： sales@rongkaichem.com>
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