The project focuses on meeting key requirements including sealing and leak prevention, atomization structure matching, quiet operation, delicate appearance, and efficient assembly. Through DFM analysis, we optimized structural strength, sealing design, and surface treatment solutions, effectively solving problems such as water leakage, sink marks, and uneven assembly gaps. The product features stable performance and exquisite appearance, realizing stable mass production and providing strong support for the quick launch of the customer’s aroma diffuser products.