亚洲日本一区二区小说,亚洲自慰喷水一区二区午夜精品,亚洲av综合色情区一区

  • ? 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
欧美午夜寂寞影院操一操亚洲老妇人的老逼 国产精品爽爽久久久天天躁 中文字幕无线视频在线 被老外添嫩苞添高潮np 18禁止午夜福利体验区 国产日本高清动作片www网站
房产 安龙县 额尔古纳市 西吉县 绵竹市 东山县
布尔津县 石首市 清新县 马尔康县 文昌市 鹤庆县
乌审旗 汾阳市 镇坪县 鲁山县 玛沁县 阿拉善盟