己二酸二辛脂齐鲁蓝帆DOA耐寒增塑剂合成材料软化剂

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Address:Zinan chemical industry trades market south, tianbashi district, jinan city, shandong province
Tel:15634092999

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己二酸二辛脂 齐鲁蓝帆DOA耐寒增塑剂 合成材料软化剂