... i order one piece for sample to test the quality?A:Yes, We recommend to check the sample ... of this page.Q:If i want cheaper quality, can you produce?A:Yes, Just send us ... such as the Item Number, Quantity for each item, Quality request, Logo, Price Term, Transport method, Discharge place ... inlet cold and hot water pressure ratio is 8:1, please install the pressure-limiting valve. PROCESS SCHEME Making ...