黄色电影网站导航,爱啪啪精品一区二区,成视频年人黄网站免费视频

  • ? 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
日产无人区一线二线三线 色色色图资源 熟女乱亚洲色图 亚洲精品无码乱码成人 免费看又黄又无码的网站 国产精品无人区无码AV片软件
宁阳县 雷山县 襄樊市 宁城县 贵阳市 忻城县
兴和县 稷山县 中山市 禹州市 栖霞市 高雄县
开化县 福海县 会宁县 平江县 乳源 广灵县