日韩色色色色色,色婷婷久久久亚洲一区二区三区,精品人妻无码一区二区三区

  • ? 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
啊爽一区欧美亚~~ 风韵丰满熟妇啪啪区老老熟色 老色鬼永久精品网站 国产欧美日本不卡 综合亚洲欧美精品日韩?v 色欲网站www免费观看
江西省 岢岚县 新巴尔虎右旗 浦江县 封丘县 永嘉县
河源市 龙南县 灵璧县 文昌市 石景山区 浏阳市
浮山县 建湖县 通辽市 东丽区 遵义市 呼图壁县