国产精品丝袜黑色高跟鞋,一级AAA片特爽高潮网站,人妻va精品va欧美va

  • ? 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
亚洲色网.com 狠狠爱无码一区二区三区www 曰韩欧美亚洲美日更新在线 sao66.com 麻豆国产AV超爽剧情系列 在线 影音
沙田区 托里县 家居 那曲县 阿克苏市 即墨市
马龙县 满城县 赤峰市 仁怀市 拉萨市 虞城县
南乐县 汾西县 纳雍县 宁阳县 静安区 永寿县