国产欧美亚洲三区久在线观看,欧美视频一区,自拍区偷拍亚图片小说

  • ? 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
黄色网偷偷操 小色网首页 亚洲人成网亚洲欧洲无码久久 久久大陆日韩第一页在线 性夜夜春夜夜爽AA片A 666AV视频在线观看
咸丰县 逊克县 佛山市 巩义市 临朐县 黎平县
武汉市 定边县 鄂托克旗 万州区 德惠市 临湘市
吴川市 长兴县 清镇市 县级市 霍州市 车险