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Qingdao Guoen Technology Co., Ltd
Address: Qingda Industrial Park, Chengyang District, Qingdao
Tel: 0532-89082888

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Enterprise standard of polypropylene (PP) melt blown special material

Date: 2020-03-12 16:46:39

Enterprise standard of Qingdao Guoen Technology Co., Ltd. - Polypropylene (PP) melt blown special material (Q / GN 0310qdgn001-2020)

Category: 香蕉直播下载: Company news

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