国产日韩一区二区三区在线观看,免费人成黄页在线观看忧物,亚洲日产综合欧美一区二区

  • ? 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
色图色小说 日欧一片内射VA在线影院 人妻屁股一区二区三区 一级a做一级a做片性视频水里 中文字幕一区二区三区夫目前犯 色AV色色
壶关县 遂宁市 马尔康县 定州市 崇信县 邹城市
汉川市 靖安县 南开区 高阳县 文昌市 颍上县
敦煌市 弥渡县 临潭县 云龙县 武定县 太白县