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Tianjin defengsheng chemicals co., ltd

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Address: Room 2101, Yongan Building, Yongan Street, Hexi District, Tianjin Postcode: 300204 Telphoe: 86-22-23280697 Mobile: Fax: 86-22-23280697 Website: www.defengsheng,com E-mail: dfsh6@defengsheng.com Contact: amy