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President：Sun junzhan  0086-13806238377
Tel: 0086-512-52793606 52790332
Fax: 0086-512-52793839

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Factory Manager：Sun guang hui 0086-13606235377
Sun peng hui 0086-13606235677
General manager：Ouyang haiyan 0086-18962342516

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E_mail: sales@yudong-chem.com
Url: www.yubochem.cn