一本大道无码人妻精品专区,国产推特一区在线观看,囯产一性一色一乱一农村

  • ? 58+

    Technical Expert Teams

  • ? 120+

    Sales For Countries

  • ? 500+

    Company People

  • ? 100000Tons

    Annual Output

about Rongsheng

Zhengzhou Rongsheng is a kiln overall solution service provider integrating, refractory, graphite electrode, metallurgical auxiliary materials research and development, manufacturing, kiln installation, and international trade. It serves metallurgy, nonferrous metals, building materials, electricity, petrochemical and other industries.

The group's headquarters is located in Zhengzhou, Henan. The factory is located in Xinmi City, the "Capital of Refractory". Xinmi city is rich in high-quality mineral resources and is close to the two railway arteries of Longhai and Beijing-Guangzhou, providing unique conditions for the production and transportation of refractory products. The main business of Rongsheng Group is the research and development, production and sales of graphite electrodes, metallurgical auxiliary materials and refractory materials, and undertakes the overall contracting business of various thermal equipment installation and construction services.

more
  • Historical process
  • FAQ
 Home  Whatsapp  Mail  Message
捆绑反绑性奴芙美 久久精品视频15人在线 蜜桃天天日天天操 亚洲黄色网址在线观看 亚洲中文久久精品无码照片 欧美肥妇多毛BBW
邮箱 甘肃省 绥棱县 宜黄县 天柱县 长乐市
湖口县 隆昌县 西乡县 揭阳市 洛阳市 股票
安多县 榆中县 秭归县 武鸣县 额济纳旗 桦甸市