激情图片激情电影激情小说在线网站,99蜜桃在线观看免费视频网站,观看美女被靠在线免费视频

  • ? 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
久久久久久久久久一毛喷水 曰本女人与公guo交酡视频a片 蜜桃天天日天天操 av在线观看性爱 国产精品久久久久久久久免费桃花 黄色成人电影在线免费看
乐陵市 神农架林区 元江 航空 稷山县 黔西县
韶山市 徐闻县 太和县 长宁区 清徐县 卫辉市
平和县 铜梁县 保亭 平山县 乐亭县 福清市