Yes The refill can meet the sales volume of Bayi Mountain milk tea shop, and the refill can be made free of charge, which can increase the purchase volume of customers. All the raw materials of Bayi Mountain restaurant chain system are made of high-quality ingredients, especially the best Taiwan Province rock candy in China and Taiwan Province Province, and healthy ingredients are introduced to match tea soup, such as pine nuts and pumpkin seeds, to present the best to consumers.