Core Viewpoint - Fangda Special Steel (600507) has significant technological accumulation in the spring steel material field, enhancing product design stress, weight, and fatigue life compared to traditional products, aligning well with the current heavy truck industry's development needs [1] Company Summary - The company has completed road test verification for steel plate springs and has delivered them in small batches [1] - The stabilizer bar is currently in the sample trial production stage [1] Industry Summary - The advancements in spring steel materials are crucial for meeting the evolving demands of the heavy truck industry [1]