Yao Xing is a professional ceramic fiber researcher, manufacturer, technology-impeller and seller with the large production ability in world.  We got 34 national patents 25 high & New technology achievements; we also cooperate 863 project, are main draft unit of standard as well ...

Qingdao Derunhong Industry and Trade Co.,Ltd was established in 2009, is a specialized foreigh trade import-export company, to carry out domestic foreign trade, joint ventures, cooperative production,re-export business other ways, 2009 officially open. Maninly engaged sales of ceramic ...