One significant factor that indicates a reliable supplier is their extensive experience in the industry. Experienced suppliers have weathered various market changes and technological advancements, allowing them to offer insights and solutions that newer entities may not provide. They understand the nuances of different electrode types, such as SMAW (Shielded Metal Arc Welding), GTAW (Gas Tungsten Arc Welding), and GMAW (Gas Metal Arc Welding), and can recommend the best options for specific projects.