Qinghua Refractories Co., Ltd is the leading basicrefractory manufacturer in the Asia-pacific region integrated with science, industry and trading.
青花耐火材料股份有限公司，是集科、工、贸一体化的亚太地区大型碱性耐火材料生产企业。
2
The basic principle, character, research and application situation of pretreatment technology of refractory gold ore are summarized in this paper.
综述了难处理金矿石预处理工艺的基本原理、特点和国内外研究与应用状况。
3
Many excellent properties of basic refractories owe to their direct bonded microstructure and the direct bonded refractory is a developing trend in refractory industry.