精品国产a黄一区二区三区东京热,国产精品久久久久高潮一牛,国产高清免费A片不卡在线观看

  • ? 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
欧美网站一区二区爆乳肥臀内射后入 在线伦理电影看免费观看视频电影 国产精品夜间视频香蕉 成人午夜大片 欧美日韩国产一区二区国产高清看片 女人扒开屁股桶爽30分钟
韩城市 贵阳市 东光县 喀什市 益阳市 吉隆县
永宁县 郁南县 昭平县 巴塘县 舟曲县 全州县
右玉县 临夏县 麟游县 临城县 宁明县 澄江县