久久精品色欲Av麻豆一区二区,人妻性奴隶精品一区三区,国产婷婷在线

  • ? 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
激情网站视频 色色色先锋av资源 国产精品V欧美精品∨日韩 日韩女优在线影院导航 亚洲综合午夜专属 激情国产一区二区三区
昌图县 彭山县 武胜县 威海市 长阳 家居
礼泉县 和林格尔县 吉木萨尔县 台南县 稷山县 定日县
喀什市 临沂市 库车县 南平市 彭水 福泉市