-Compact and tight-sealed M.T.S.(multi-throat stabilizer) -Minimum installation space and easy operation for N2 wave soldering. -No oxidation takes place around the solder bath, which enables constant clean soldering and makes regular cleaning easy -The feed direction can be readily changed for high-precision soldering. -The adoption of casting claws for lead-free. -Motor-driven lifter is mounted on solder tank up/down adjusting and drawing-out mechanism.