石膏缓凝剂|专业蛋白类石膏缓凝剂|骨胶蛋白石膏缓凝剂厂家-服务方式-Linyi Dima Gypsum Building Materials Co., Ltd.

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Service hotline: +86-539-5215869

Complaints hotline: +86-17854973479

Email: hmjcgs@163.com

Cell: 15153945968 Contact person: Ma Di

Landline: +86-0539-5215869 Fax: 0539-5215869

Email: hmjcgs@163.com

Address: No. 253 Tongda Road, Linyi, Shandong Province, China

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