日韩av在线免费网址,人妻被按摩到潮喷中文字幕,花野真衣 东京热一区

  • ? 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
亚洲欧美中文日韩在线视 sssss色在线看片日韩 无码人妻丰满熟妇区毛片视频 欧美女优在线网 日韩在线一区二区不卡视频 精品国精品国产自在久国产
商城县 甘洛县 望江县 磐石市 新安县 沁阳市
星子县 开封市 黑龙江省 阿巴嘎旗 淄博市 霍邱县
高雄市 横山县 苍梧县 恩平市 昭平县 惠来县