... CE certificate 2.Copper wire 3.Cold-rolled silicon steel sheet 4.1 year warrant Pumps Submersible ◊ ApplicationApplied to ... % copper wire, and automatic wiring2. Cold-rolled silicon steel sheet, with high-speed punching, improve the efficiency and precision3. ... Anti-rust treatment castings and electrophoresis5. New testing equipment◊ Technical data1. Max submerged depth up to 5m2. Liquid temperature ...