Worapongpat, N. 2026. Customer Relationship Management and Product Quality Impacting the Purchase Decisions of Herbal Inhalers and Herbal Balms: A Case Study of Tossakan Nakha Products by SCG Grand Martech Co., Ltd., Thailand, Among Chinese Consumers in Chengdu, Sichuan Province, People’s Republic of China. BUUIC Journal of Management. 2, 1 (January-June) (Jan. 2026), 41–60.