91久久久精品无码一区二区三区,操屄屄一区,一级毛片av

  • ? 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
日本亚洲免费无线码 色色网站va 老色鬼永久精品网站 大香人人色 亚洲国产精品无码久久一线夕不卡 精品国产一区二区三区不卡
安达市 滦平县 吉首市 武功县 北京市 遂宁市
阜宁县 江源县 横峰县 闽清县 怀仁县 清新县
井研县 霍邱县 阿克苏市 军事 定边县 甘孜县