被特种兵开宫灌满怀孕H,加勒比东京热无码一区,四虎影视永久地址www成人

  • ? 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
日韩女优在线影院导航 日本丶国产丶欧美色综合 91精品国产aⅴ一区二区 一级有码电影 国产一级全黄AAA片特级全黄片 亚洲国产精品99久久久久久观看
宜兰县 通山县 台中市 泉州市 胶南市 白沙
宁化县 蛟河市 错那县 永安市 定兴县 丰原市
龙南县 万荣县 特克斯县 黄骅市 砀山县 开阳县