... .Samples:free samples stainless steel quick coupling hose connectors type B Precision Investment Casting: Silcon Sol ProcessCNC Precised MachiningQuality Control: ... ,MIL-C274876,Size:1/2”-6”7,Types: A,B,C,D,E,F,DC,DP8,Thickness:SCH20, SGP, ... Making-Dewaxing-Smelting&Casting-Shell Off-Blasting-Cutting&Polishing-Acid Washing-CNC Precised MachiningQuality Control: Spectrograph "Q4 TASMAN" Technology from ...