... a best quotation.A, What is the working pressure ( Mpa, Bar, PSI)?B, What is the volume flow ( m3/min, CFM)?3, What is the Power supply ( KW ... add to the cost for the consumers; meanwhile, the time cost and the loss caused by returning will far exceed the value of the product itself, ... and maintaining instead of only offering a lower price. It is of our common concern to create more value for you with ...