久久人人槡人妻人人玩夜色av,亚洲日韩一区二区三区,久久精品国产亚洲?v麻豆

  • ? 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
九九爱爱资源 国产一区二区三区香蕉av 欧美人妻精品一区二区三区 毛片网址大全 狠狠色噜噜狠狠狠狠av 亚洲小说区图片区另类春色
酒泉市 吉木乃县 仁化县 池州市 息烽县 容城县
七台河市 西乌 西昌市 瑞昌市 读书 七台河市
辉南县 宣恩县 夹江县 都兰县 大兴区 桦南县