日韩一区二区三区免费体验,88国产精品视频一区二区三区,亚洲国产精品无码观看久久

  • ? 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
日本性爱网站暖暖 国产黄色毛片电影快递员的外遇完整版 色色av网资源 久久66热人妻偷产精品9 国产?高潮?白浆?喷水 乱乱涩图
河池市 什邡市 香河县 津南区 亳州市 吉首市
教育 黔东 玉屏 化隆 得荣县 沂源县
安达市 安国市 五大连池市 涞水县 芮城县 翁源县