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Qingdao shendun Waterproof Technology Co., Ltd.

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E-mail：sdfs@cnshendun.com

ADD：No.32 Siyuan Road High Tech Industrial Development Zone Qingdao

Domestic：+86-532-66723991 +86-532-66783992

Domestic：+86-532-66723993 +86-532-66723995 +86-13963929278

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