Discover the high-quality E308, E312, E320, E325, and E330 Chain Excavator Undercarriage Parts Chain Link Assy. Made from durable 35MnB material with precision casting/forging, these parts ensure reliability and performance. Ideal for various excavator models, including KOMATSU, CATERPILLAR, HITACHI, and more. ISO9001 certified with a 1-year warranty.