科伦药业：销售费用率整体下降主要得益于销售体系的精细化管理以及集采带来的费用下降

Core Viewpoint - The overall sales expense ratio of Kelun Pharmaceutical has decreased due to refined management of the sales system and cost reductions from centralized procurement [1] Group 1 - The sales expense ratio experienced a slight increase in the second quarter compared to the first quarter, primarily due to high promotional costs associated with the launch of Botai's innovative drug products [1] - Excluding the impact of the new product launch, the overall sales expense ratio remains relatively stable [1]