There is a Tsurumi Electrical submersible water pump model LSC which is capable of pumping water down to a minimum level of 1mm. pumping capacity at 0.8 m3/min at 10 meter. shut-off head = 12.5m. weight 14 kgs. 0.4 kw single phase, 50 hz, 220v. you could contact 065-68411192(singapoe) for...