小说色图综合网,精品人妻一区二区三区夜夜精品,欧美性bbbbxxxxx

  • ? 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
永久免费av无码国产网站 97国产露脸视频97在线视频 精品刮子伦一区二区三区火豆网 影音先锋男人站日韩女优 麻豆成人在线 紧缚侵犯人妻空姐 矿桥综合网
尼木县 高台县 都匀市 仁怀市 鹤庆县 澄城县
郧西县 宝坻区 呼图壁县 汉源县 海丰县 墨江
阜平县 交城县 福清市 澜沧 五大连池市 白沙