... /4"2, Material: brass, you could choose the specification of brass3, Surface treatment: nickel or chrome plated, or acid cleaning, ... after getting the depositeProduction step:1, Smelting the brass bars and making the hot forging2, Machining and CNC processing3, Assembling4, ... and prompt delivery6, Supply OEM service7, Small orders accepted Brass radiator valve, temperature control valve (with CE)