With three-pass Wet-Back design, the boiler has excellent durability;

Reciprocating dynamical system which makes the temperature field in the boiler well-proportioned;

Demountable structural design, with flexible smoke box door in front and rear, which is convenient for maintenance;

Built-in gravity blast-proof door, which eliminates the explosion danger;

The shell is taken chromatic steel plate with high quality, and wears well.