I frame for DAEWOO DH150 from Tianjin Longdong, fits 15-ton excavators. Integral cast-forged high manganese steel with thick ribs withstands heavy earth and gravel impact. Stress relief annealing avoids long-term deformation and cracks. Exact OEM size for direct fitting with anti-rust coating. All frames flaw inspected, sufficient stock, exchange available for uninstalled mismatched frames.