日韩在线小说,精品人妻一区二区三区免费视频,999zyz玖玖资源站永久

  • ? 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
中文字幕素人有码 国产一区高清三级久色成人 伊人亚洲综合网成人 欧美 亚洲 日韩 另类 中文字幕20 av女优天堂网黄色 亚洲依依成人综合网站
舟山市 肥西县 二连浩特市 德清县 噶尔县 屏东县
巢湖市 洪泽县 丰原市 汝州市 临沧市 宝兴县
漳平市 玉树县 财经 故城县 翁源县 盘锦市