... (SS316 & SS304 Material ) 2013 New Solar Pump--------SS316 Solar Pump / Solar Water pump **Operating principle Solar Pump Systeminclude : Solar panel, Solar pump, controller / Inverter, cables, water ... technique products adopting MPPT and DSP chip technique.4. 100% copper wire, cold-rolled silicon steel sheet5. Stainless steel 304 & 316 ...