亚洲熟妇av一区二区三区漫画,黄色电影在线观看制服丝袜美女,我,一本久久a久久精品亚洲

  • ? 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
亚洲激情淫荡 中文字幕美女性爱视频 欧美日韩免费高清一区色橹橹 午夜福利成人免费网站 乱乱涩图 加勒比av在线电影
修文县 且末县 常山县 镇江市 淮南市 峨山
进贤县 昭平县 唐山市 思茅市 平凉市 蒲城县
正阳县 长治市 军事 濉溪县 永靖县 兴海县