According to the document, [2017]237, issued by ChemChina, our company’s authorized patent ZL 201210174548.9, High Purity Carbon Black and its Preparation Method, was granted with the award of excellent patent by ChemChina in 2017.
This patent discloses a method to prepare high purity carbon black. This kind of carbon black is characterized with low moisture content, low ash content (lower than 100ppm), low metal content and so on. It can meet the requirements of energy field, food industry and metallurgy industry.
Our technology level and competitive strength related in this kind of products have been improved and it is of great economic value and social benefit.