耐火材料级酚醛树脂PF6930 高残碳率铸造/陶瓷行业配套免费寄样

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Chinan-da trading and trade company ltd

Address:Hong kong international-9 building, jinan city, tianbashi district, shandong province, 153 middle mount road
Tel:13256762267

Service Hotline

13256762267

耐火材料级酚醛树脂PF6930 高残碳率 铸造/陶瓷行业配套 免费寄样