COPAIN is a shanghai based manufacturer of High pressure pumps for both neat oil and water soluble coolant , with their pumps customer can increase the coolant pressure and make their old machine in to high pressure one , the pumps range from 40 bar , 70 bar , 100 bar , 150 bar , with chiller , multiple outputs and with VFD ( variable frequency drive) The company also makes very good electrostatic mist collectors to collect the sub micron mist generated in high pressure applications and also very good fuild tank cleaning machines