Chassis: high rigidity FC-25 cast iron casting;

Gear: The gear is made of high-quality high-purity alloy steel 20CrMnTiH, carburized, quenched, and ground;

Main shaft: The shaft is made of alloy steel quenched and tempered, with high suspension and heavy load capacity;

Bearing: Cone roller bearing with heavy load capacity;

Oil seal: oil seal with double sealing lip, both dustproof and oil leakage prevention capabilities;