在线爱爱网,国产a√精品区二区三区四区,久久综合九九亚洲一区

  • ? 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
国产黄色毛片电影快递员的外遇完整版 三级中文有码中文字幕 精品综合久久久久久888蜜芽 92人妻96色拍 亚洲色偷偷色噜噜狠狠99网 婬乱人妻被快递员玩弄在线
织金县 华容县 连城县 岳普湖县 桦川县 崇州市
江阴市 开江县 循化 新乡县 章丘市 雅江县
偃师市 灵山县 彭阳县 百色市 蓝山县 古丈县