欧美疯狂群交一区二区视频,日韩一欧美内射在线观看,美女网站免费观看视频

  • ? 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
AV色播资源网 成人一亚洲人马异族淫秽片导航 国产精品亚洲片在线观看不卡 欧美性猛交一区二区三区精品 天天射天天黄色网站 久久久久久久久久久福利观看
牟定县 株洲市 抚远县 绥棱县 长宁区 保德县
玉林市 万荣县 西昌市 密山市 十堰市 隆尧县
蒙城县 九江县 嘉禾县 东海县 延吉市 宕昌县