无码aⅴ一区二区三区,色综合久久久金八天国,国产精品久久久久精品综合紧

  • ? 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
欧美性爱11p图 精品国产福利在线视频 亚洲国产日韩 最刺激的乱惀小说目录 国产精品不卡在线 日韩天天干
武陟县 五大连池市 大宁县 清河县 乐安县 德钦县
阿瓦提县 枣强县 黑河市 肇州县 聂拉木县 巴楚县
绵竹市 白玉县 合作市 额敏县 拉萨市 农安县