切削油研磨油精密研磨不含三乙醇胺原液浓度70%

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Changzhou golden camel electric equipment ltd

Address:1 sakai industrial park, wuju city, jiangsu province
Tel:18015273812

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18015273812

切削油 研磨油 精密研磨 不含三乙醇胺 原液浓度70%