紧缚调教91在线,青青草国产免费一区二区,欧美色资源午夜剧场第一页

  • ? 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
成人免费A级毛片无码片2022 偷偷操网站 久久久久久久综合狠狠综合 精品国产一区二区三区无码 乱啪导航 农村一级毛片
钟祥市 福安市 西青区 上蔡县 喀喇沁旗 彭水
资阳市 广宗县 米林县 衡东县 普格县 双鸭山市
黄骅市 三台县 浑源县 麻栗坡县 东丰县 桦甸市