Contact Zhang Meng
Tel 86-0537-6591777
Fax 86-0537-6591777
Mobile 13518653652
E-mail tzhifeng@jncarbon.com

亚洲v片免费观看网站Yunhe bought the most advanced testing euqipment to test all kinds of index according to national standard. It established the first class research institute of white fused alumina which specializes in researching and developing corundum technology.


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