... :6UM Plated, Shining permanently. 200 hours Salt Mist Test, corrosion status comply with international standard, anti-oxidation, ... A Q Q:Can i order one piece for sample to test the quality?A:Yes, We recommend to ... to us, such as the Item Number, Quantity for each item, Quality request, Logo, Price Term, Transport ... a marker on the body also, Blue for Cold, Red for Hot.(2) If the inlet water temperature ...