精品国模一区二区三区-西瓜影院在线播放-四虎国产精品永久在线国在线-波多野42部无码喷潮在线

We are a private shareholding company based in Dashiqiao, known as the Magnesite Metropolis in Liaoning Province of China. As the important magnesite chemical manufacturing company in China, the company has a rich reserve of magnesite resources with strong productivity and research capability. All these capabilities and our comprehensive strength empower us to become one of the global specialized leaders in the world magnesium industry.