无码人妻精品一区二区三区久久,午夜福利试看120秒体验区,强奸A√电影导航

  • ? 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
国产精品亚洲片在线观看不卡 无码被窝影院午夜看片爽爽jk 成年片黄色大片品赏网 国产香蕉97碰碰久久人人蜜桃 AV色播资源网 亚洲日韩在线中文字幕综合
镇原县 碌曲县 仪陇县 宜章县 文昌市 镶黄旗
闽清县 沅陵县 水富县 汪清县 南开区 榆社县
桃园县 临漳县 额敏县 延川县 铜梁县 兴安盟