天天女优自拍天堂,AVsetuavtt乱伦网,亚洲国产精品无码久久九九大片健

  • ? 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
亚洲色精品vr一区二区三区 国产一区二区三区香蕉av 影音先锋av女优在线观看 亚洲精品无码成人网站 成人午夜精品 亚洲乱伦小说视频
溧阳市 台中县 海南省 灵台县 比如县 吉木萨尔县
嫩江县 论坛 邵武市 江山市 洛隆县 柘城县
西昌市 德钦县 昭苏县 布拖县 大城县 英超