... fan, good cooling effect, low temperature3) Using imported high quality valve plate, long operating life.4) Using integral type pressing ... 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 ( ... to the cost for the consumers; meanwhile, the time cost and the loss caused by returning will far exceed the value of the ...