This article explores the most common reflow soldering defects, including cold solder joints, solder bridges, insufficient soldering, pad lifting, and PCB warping. It explains how these issues impact product quality and production efficiency, and highlights how selecting the right reflow oven can mitigate these defects. Key factors such as temperature control, heating technology, energy efficiency, and ongoing support are discussed as essential considerations when choosing reflow soldering equipment. Additionally, the article emphasizes I.C.T’s role in providing expert guidance and high-quality, customized reflow soldering solutions to ensure reliable and efficient production.