国产精品日韩综合无码_久久久无码精品亚洲日韩京东传媒_黄色视频在线交流地址_久久精品乱子伦国产成人一区_中文字幕av一区中文字幕乱码免费_欧美色图另类小说_亚洲六月丁香六月婷婷蜜芽_天天精品视频免费观看_JLZZ日本人年轻护士_附近400快餐联系方式

For a long time, we have imported various surfactants and their derivatives. already established business relationships with well-known companies such as BASF, DOW, sasol, Clariant and others. Introducing advanced technology to help customers develop and solving problems are our consistent pursuit.

At the same time, we have also established a good partnership with our peers and domestic factories.
In the field of surfactant, we strive to be more professional and comprehensive to help customers develop and innovate.

Any demand, please to call us, we are waiting for your good news and cooperation!