欧美午夜精品一区二区三区,在线做爱真人视频网站,日韩色图吧

  • ? 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
97国产大学生情侣酒店 无码爆乳一区二区三区 www黄色视频在线观看 全国男人的天堂网站 色色va 瑟情在线观看
太谷县 邹城市 炎陵县 宜川县 甘德县 红原县
扬州市 海丰县 紫云 安吉县 水富县 新泰市
琼海市 隆子县 岐山县 通许县 池州市 泽库县