deep well pump operating manufacturer in china reasonable price high quality,big flow 4",6",8" deep well 4 inch deep well submersible water pump with 200m head new!PATENT NO. ZL ... plastic parts, let the pump much lighter, easy to carry and install 5. No leakage with the high quality Mechanical seal6.Maximum diving ... 1321110351-1/4"4SJ3/405.54 9.3327413051-1/4" deep well submersible pump with 200m head