100% copper wire, and automatic wiring
Brass / SS /PPO impeller.
Cold-rolled silicon steel sheet, with high-speed punching, improve the efficiency and precision.
Stailess steel 304 welded shaft.
High-pot testing of stator coil and whole pump outgasing test and water pressure performance testingNice design with thicker and heavier cast casing.
Anti-rust treatment castings and electrophoresis