1. Selection of coffee beans: The upgraded version of Ding Xue Coffee will use higher quality coffee beans, such as super or high quality coffee beans, to provide better taste and flavor.
2. Improvement of processing technology: The upgraded version of Ding Xue coffee may adopt more advanced processing technology, such as special baking or extraction methods, to enhance the aroma, taste and fineness of coffee.
3. Formula adjustment: The upgraded version of Ding Xue Coffee may fine-tune or improve the original formula to make it more in line with consumers' taste preferences.