Calories. A Xin and Calorie are well-known fitness brands, both of which manufacture various fitness equipment and evaluation tools, focusing on fitness training and management. A Xin's brand positioning is a fitness science and technology expert, and its products aim at comprehensively improving users' physical fitness and training efficiency. Calorie brand positioning is the world's leading fitness brand, focusing on providing high-performance and reliable professional training tools to meet the needs of high-level athletes and training experts. Therefore, the positioning of A Xin is more popular, and the calorie positioning is more professional and high-end.