... signal by other equipment.Q:Is the automatic cold faucet can be use in hot & cold water?A:Yes, It is , ... i order one piece for sample to test the quality?A:Yes, We recommend to check the sample before ... 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 etc ...